Implement P0607R0 "Inline Variables for Standard Library" for C++17
2017-03-23 Daniel Kruegler <daniel.kruegler@gmail.com> * include/bits/c++config (_GLIBCXX17_INLINE): Define. * include/bits/regex_constants.h (All std::regex_constants constants): Add _GLIBCXX17_INLINE as per P0607R0. * include/bits/std_mutex.h (defer_lock, try_to_lock, adopt_lock): Likewise. * include/bits/stl_pair.h (piecewise_construct): Likewise. * include/bits/uses_allocator.h (allocator_arg, uses_allocator_v) (__is_uses_allocator_constructible_v) (__is_nothrow_uses_allocator_constructible_v): Likewise. * include/std/chrono (treat_as_floating_point_v): Likewise. * include/std/functional (is_bind_expression_v, is_placeholder_v): Likewise. * include/std/optional (nullopt): Likewise. * include/std/ratio (ratio_equal_v, ratio_not_equal_v, ratio_less_v) ratio_less_equal_v, ratio_greater_v, ratio_greater_equal_v): Likewise. * include/std/system_error (is_error_code_enum_v) (is_error_condition_enum_v): Likewise. * include/std/tuple (tuple_size_v, ignore): Likewise. (ignore): Declare ignore constexpr as per LWG 2773, declare assignment constexpr as per LWG 2933. * include/std/type_traits (All variable templates): Add _GLIBCXX17_INLINE as per P0607R0. * include/std/variant (variant_size_v, variant_npos, __index_of_v) (__tuple_count_v, __exactly_once): Likewise. * testsuite/18_support/headers/new/synopsis.cc (hardware_destructive_interference_size) (hardware_constructive_interference_size): Likewise for commented-out variables. * testsuite/20_util/tuple/creation_functions/constexpr.cc: Add new test function for constexpr std::ignore (LWG 2773). * testsuite/20_util/tuple/creation_functions/constexpr_cpp14.cc: New test for LWG 2933. From-SVN: r246423
This commit is contained in:
Daniel Kruegler
Jonathan Wakely
parent
842562b4e1
commit
288695f7a4
@ -1,3 +1,38 @@
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2017-03-23 Daniel Kruegler <daniel.kruegler@gmail.com>
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* include/bits/c++config (_GLIBCXX17_INLINE): Define.
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* include/bits/regex_constants.h (All std::regex_constants constants):
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Add _GLIBCXX17_INLINE as per P0607R0.
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* include/bits/std_mutex.h (defer_lock, try_to_lock, adopt_lock):
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Likewise.
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* include/bits/stl_pair.h (piecewise_construct): Likewise.
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* include/bits/uses_allocator.h (allocator_arg, uses_allocator_v)
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(__is_uses_allocator_constructible_v)
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(__is_nothrow_uses_allocator_constructible_v): Likewise.
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* include/std/chrono (treat_as_floating_point_v): Likewise.
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* include/std/functional (is_bind_expression_v, is_placeholder_v):
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Likewise.
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* include/std/optional (nullopt): Likewise.
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* include/std/ratio (ratio_equal_v, ratio_not_equal_v, ratio_less_v)
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ratio_less_equal_v, ratio_greater_v, ratio_greater_equal_v): Likewise.
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* include/std/system_error (is_error_code_enum_v)
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(is_error_condition_enum_v): Likewise.
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* include/std/tuple (tuple_size_v, ignore): Likewise.
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(ignore): Declare ignore constexpr as per LWG 2773, declare assignment
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constexpr as per LWG 2933.
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* include/std/type_traits (All variable templates): Add
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_GLIBCXX17_INLINE as per P0607R0.
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* include/std/variant (variant_size_v, variant_npos, __index_of_v)
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(__tuple_count_v, __exactly_once): Likewise.
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* testsuite/18_support/headers/new/synopsis.cc
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(hardware_destructive_interference_size)
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(hardware_constructive_interference_size): Likewise for commented-out
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variables.
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* testsuite/20_util/tuple/creation_functions/constexpr.cc: Add new
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test function for constexpr std::ignore (LWG 2773).
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* testsuite/20_util/tuple/creation_functions/constexpr_cpp14.cc: New
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test for LWG 2933.
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2017-03-22 Jonathan Wakely <jwakely@redhat.com>
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* include/bits/shared_ptr.h (shared_ptr, weak_ptr): Add deduction
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@ -122,6 +122,14 @@
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# endif
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#endif
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#ifndef _GLIBCXX17_INLINE
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# if __cplusplus > 201402L
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# define _GLIBCXX17_INLINE inline
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# else
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# define _GLIBCXX17_INLINE
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# endif
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#endif
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// Macro for noexcept, to support in mixed 03/0x mode.
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#ifndef _GLIBCXX_NOEXCEPT
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# if __cplusplus >= 201103L
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@ -84,7 +84,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* Specifies that the matching of regular expressions against a character
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* sequence shall be performed without regard to case.
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*/
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constexpr syntax_option_type icase =
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_GLIBCXX17_INLINE constexpr syntax_option_type icase =
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static_cast<syntax_option_type>(1 << _S_icase);
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/**
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@ -92,7 +92,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* container sequence, no sub-expression matches are to be stored in the
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* supplied match_results structure.
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*/
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constexpr syntax_option_type nosubs =
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_GLIBCXX17_INLINE constexpr syntax_option_type nosubs =
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static_cast<syntax_option_type>(1 << _S_nosubs);
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/**
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@ -101,14 +101,14 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* speed with which regular expression objects are constructed. Otherwise
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* it has no detectable effect on the program output.
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*/
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constexpr syntax_option_type optimize =
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_GLIBCXX17_INLINE constexpr syntax_option_type optimize =
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static_cast<syntax_option_type>(1 << _S_optimize);
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/**
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* Specifies that character ranges of the form [a-b] should be locale
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* sensitive.
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*/
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constexpr syntax_option_type collate =
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_GLIBCXX17_INLINE constexpr syntax_option_type collate =
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static_cast<syntax_option_type>(1 << _S_collate);
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/**
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@ -119,7 +119,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* in the PERL scripting language but extended with elements found in the
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* POSIX regular expression grammar.
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*/
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constexpr syntax_option_type ECMAScript =
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_GLIBCXX17_INLINE constexpr syntax_option_type ECMAScript =
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static_cast<syntax_option_type>(1 << _S_ECMAScript);
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/**
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@ -129,7 +129,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* Headers, Section 9, Regular Expressions [IEEE, Information Technology --
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* Portable Operating System Interface (POSIX), IEEE Standard 1003.1-2001].
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*/
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constexpr syntax_option_type basic =
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_GLIBCXX17_INLINE constexpr syntax_option_type basic =
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static_cast<syntax_option_type>(1 << _S_basic);
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/**
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@ -138,7 +138,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* Portable Operating System Interface (POSIX), Base Definitions and
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* Headers, Section 9, Regular Expressions.
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*/
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constexpr syntax_option_type extended =
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_GLIBCXX17_INLINE constexpr syntax_option_type extended =
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static_cast<syntax_option_type>(1 << _S_extended);
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/**
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@ -149,7 +149,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* \\\\, \\a, \\b, \\f, \\n, \\r, \\t , \\v, \\&apos,, &apos,,
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* and \\ddd (where ddd is one, two, or three octal digits).
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*/
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constexpr syntax_option_type awk =
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_GLIBCXX17_INLINE constexpr syntax_option_type awk =
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static_cast<syntax_option_type>(1 << _S_awk);
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/**
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@ -158,7 +158,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* identical to syntax_option_type basic, except that newlines are treated
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* as whitespace.
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*/
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constexpr syntax_option_type grep =
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_GLIBCXX17_INLINE constexpr syntax_option_type grep =
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static_cast<syntax_option_type>(1 << _S_grep);
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/**
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@ -167,7 +167,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* IEEE Std 1003.1-2001. This option is identical to syntax_option_type
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* extended, except that newlines are treated as whitespace.
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*/
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constexpr syntax_option_type egrep =
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_GLIBCXX17_INLINE constexpr syntax_option_type egrep =
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static_cast<syntax_option_type>(1 << _S_egrep);
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/**
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@ -176,7 +176,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* If specified in a regex with back-references, the exception
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* regex_constants::error_complexity will be thrown.
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*/
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constexpr syntax_option_type __polynomial =
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_GLIBCXX17_INLINE constexpr syntax_option_type __polynomial =
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static_cast<syntax_option_type>(1 << _S_polynomial);
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constexpr inline syntax_option_type
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@ -257,14 +257,15 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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/**
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* The default matching rules.
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*/
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constexpr match_flag_type match_default = static_cast<match_flag_type>(0);
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_GLIBCXX17_INLINE constexpr match_flag_type match_default =
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static_cast<match_flag_type>(0);
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/**
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* The first character in the sequence [first, last) is treated as though it
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* is not at the beginning of a line, so the character (^) in the regular
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* expression shall not match [first, first).
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*/
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constexpr match_flag_type match_not_bol =
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_GLIBCXX17_INLINE constexpr match_flag_type match_not_bol =
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static_cast<match_flag_type>(1 << _S_not_bol);
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/**
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@ -272,40 +273,40 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* is not at the end of a line, so the character ($) in the regular
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* expression shall not match [last, last).
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*/
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constexpr match_flag_type match_not_eol =
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_GLIBCXX17_INLINE constexpr match_flag_type match_not_eol =
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static_cast<match_flag_type>(1 << _S_not_eol);
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/**
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* The expression \\b is not matched against the sub-sequence
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* [first,first).
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*/
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constexpr match_flag_type match_not_bow =
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_GLIBCXX17_INLINE constexpr match_flag_type match_not_bow =
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static_cast<match_flag_type>(1 << _S_not_bow);
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/**
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* The expression \\b should not be matched against the sub-sequence
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* [last,last).
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*/
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constexpr match_flag_type match_not_eow =
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_GLIBCXX17_INLINE constexpr match_flag_type match_not_eow =
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static_cast<match_flag_type>(1 << _S_not_eow);
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/**
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* If more than one match is possible then any match is an acceptable
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* result.
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*/
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constexpr match_flag_type match_any =
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_GLIBCXX17_INLINE constexpr match_flag_type match_any =
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static_cast<match_flag_type>(1 << _S_any);
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/**
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* The expression does not match an empty sequence.
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*/
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constexpr match_flag_type match_not_null =
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_GLIBCXX17_INLINE constexpr match_flag_type match_not_null =
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static_cast<match_flag_type>(1 << _S_not_null);
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/**
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* The expression only matches a sub-sequence that begins at first .
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*/
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constexpr match_flag_type match_continuous =
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_GLIBCXX17_INLINE constexpr match_flag_type match_continuous =
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static_cast<match_flag_type>(1 << _S_continuous);
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/**
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@ -313,7 +314,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* flags match_not_bol and match_not_bow are ignored by the regular
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* expression algorithms 28.11 and iterators 28.12.
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*/
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constexpr match_flag_type match_prev_avail =
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_GLIBCXX17_INLINE constexpr match_flag_type match_prev_avail =
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static_cast<match_flag_type>(1 << _S_prev_avail);
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/**
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@ -342,7 +343,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* undefined, use the empty string instead. If
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* nn > match_results::size(), the result is implementation-defined.
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*/
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constexpr match_flag_type format_default = static_cast<match_flag_type>(0);
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_GLIBCXX17_INLINE constexpr match_flag_type format_default =
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static_cast<match_flag_type>(0);
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/**
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* When a regular expression match is to be replaced by a new string, the
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@ -350,7 +352,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* in IEEE Std 1003.1- 2001 [IEEE, Information Technology -- Portable
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* Operating System Interface (POSIX), IEEE Standard 1003.1-2001].
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*/
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constexpr match_flag_type format_sed =
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_GLIBCXX17_INLINE constexpr match_flag_type format_sed =
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static_cast<match_flag_type>(1 << _S_sed);
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/**
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@ -358,14 +360,14 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* container sequence being searched that do not match the regular
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* expression shall not be copied to the output string.
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*/
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constexpr match_flag_type format_no_copy =
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_GLIBCXX17_INLINE constexpr match_flag_type format_no_copy =
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static_cast<match_flag_type>(1 << _S_no_copy);
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/**
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* When specified during a search and replace operation, only the first
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* occurrence of the regular expression shall be replaced.
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*/
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constexpr match_flag_type format_first_only =
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_GLIBCXX17_INLINE constexpr match_flag_type format_first_only =
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static_cast<match_flag_type>(1 << _S_first_only);
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constexpr inline match_flag_type
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@ -139,13 +139,13 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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struct adopt_lock_t { explicit adopt_lock_t() = default; };
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/// Tag used to prevent a scoped lock from acquiring ownership of a mutex.
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constexpr defer_lock_t defer_lock { };
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_GLIBCXX17_INLINE constexpr defer_lock_t defer_lock { };
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/// Tag used to prevent a scoped lock from blocking if a mutex is locked.
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constexpr try_to_lock_t try_to_lock { };
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_GLIBCXX17_INLINE constexpr try_to_lock_t try_to_lock { };
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/// Tag used to make a scoped lock take ownership of a locked mutex.
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constexpr adopt_lock_t adopt_lock { };
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_GLIBCXX17_INLINE constexpr adopt_lock_t adopt_lock { };
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/** @brief A simple scoped lock type.
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*
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@ -76,7 +76,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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struct piecewise_construct_t { explicit piecewise_construct_t() = default; };
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/// piecewise_construct
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constexpr piecewise_construct_t piecewise_construct = piecewise_construct_t();
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_GLIBCXX17_INLINE constexpr piecewise_construct_t piecewise_construct =
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piecewise_construct_t();
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// Forward declarations.
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template<typename...>
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@ -45,7 +45,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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/// [allocator.tag]
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struct allocator_arg_t { explicit allocator_arg_t() = default; };
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constexpr allocator_arg_t allocator_arg = allocator_arg_t();
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_GLIBCXX17_INLINE constexpr allocator_arg_t allocator_arg =
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allocator_arg_t();
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template<typename _Tp, typename _Alloc, typename = __void_t<>>
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struct __uses_allocator_helper
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@ -110,7 +111,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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}
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#if __cplusplus > 201402L
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template <typename _Tp, typename _Alloc>
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constexpr bool uses_allocator_v = uses_allocator<_Tp, _Alloc>::value;
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inline constexpr bool uses_allocator_v =
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uses_allocator<_Tp, _Alloc>::value;
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#endif // C++17
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template<template<typename...> class _Predicate,
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@ -128,7 +130,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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#if __cplusplus >= 201402L
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template<typename _Tp, typename _Alloc, typename... _Args>
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constexpr bool __is_uses_allocator_constructible_v =
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_GLIBCXX17_INLINE constexpr bool __is_uses_allocator_constructible_v =
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__is_uses_allocator_constructible<_Tp, _Alloc, _Args...>::value;
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#endif // C++14
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@ -141,7 +143,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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#if __cplusplus >= 201402L
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template<typename _Tp, typename _Alloc, typename... _Args>
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constexpr bool __is_nothrow_uses_allocator_constructible_v =
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_GLIBCXX17_INLINE constexpr bool
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__is_nothrow_uses_allocator_constructible_v =
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__is_nothrow_uses_allocator_constructible<_Tp, _Alloc, _Args...>::value;
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#endif // C++14
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@ -211,7 +211,7 @@ _GLIBCXX_END_NAMESPACE_VERSION
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#if __cplusplus > 201402L
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template <typename _Rep>
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constexpr bool treat_as_floating_point_v =
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inline constexpr bool treat_as_floating_point_v =
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treat_as_floating_point<_Rep>::value;
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#endif // C++17
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@ -242,9 +242,9 @@ _GLIBCXX_MEM_FN_TRAITS(&&, false_type, true_type)
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{ };
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#if __cplusplus > 201402L
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template <typename _Tp> constexpr bool is_bind_expression_v
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template <typename _Tp> inline constexpr bool is_bind_expression_v
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= is_bind_expression<_Tp>::value;
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template <typename _Tp> constexpr int is_placeholder_v
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template <typename _Tp> inline constexpr int is_placeholder_v
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= is_placeholder<_Tp>::value;
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#endif // C++17
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@ -69,7 +69,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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};
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/// Tag to disengage optional objects.
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constexpr nullopt_t nullopt { nullopt_t::_Construct::_Token };
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inline constexpr nullopt_t nullopt { nullopt_t::_Construct::_Token };
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/**
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* @brief Exception class thrown when a disengaged optional object is
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@ -403,17 +403,18 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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#if __cplusplus > 201402L
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template <typename _R1, typename _R2>
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constexpr bool ratio_equal_v = ratio_equal<_R1, _R2>::value;
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inline constexpr bool ratio_equal_v = ratio_equal<_R1, _R2>::value;
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template <typename _R1, typename _R2>
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constexpr bool ratio_not_equal_v = ratio_not_equal<_R1, _R2>::value;
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inline constexpr bool ratio_not_equal_v = ratio_not_equal<_R1, _R2>::value;
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template <typename _R1, typename _R2>
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constexpr bool ratio_less_v = ratio_less<_R1, _R2>::value;
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inline constexpr bool ratio_less_v = ratio_less<_R1, _R2>::value;
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template <typename _R1, typename _R2>
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constexpr bool ratio_less_equal_v = ratio_less_equal<_R1, _R2>::value;
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inline constexpr bool ratio_less_equal_v =
|
||||
ratio_less_equal<_R1, _R2>::value;
|
||||
template <typename _R1, typename _R2>
|
||||
constexpr bool ratio_greater_v = ratio_greater<_R1, _R2>::value;
|
||||
inline constexpr bool ratio_greater_v = ratio_greater<_R1, _R2>::value;
|
||||
template <typename _R1, typename _R2>
|
||||
constexpr bool ratio_greater_equal_v
|
||||
inline constexpr bool ratio_greater_equal_v
|
||||
= ratio_greater_equal<_R1, _R2>::value;
|
||||
#endif // C++17
|
||||
|
||||
|
||||
@ -62,9 +62,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
||||
|
||||
#if __cplusplus > 201402L
|
||||
template <typename _Tp>
|
||||
constexpr bool is_error_code_enum_v = is_error_code_enum<_Tp>::value;
|
||||
inline constexpr bool is_error_code_enum_v =
|
||||
is_error_code_enum<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_error_condition_enum_v =
|
||||
inline constexpr bool is_error_condition_enum_v =
|
||||
is_error_condition_enum<_Tp>::value;
|
||||
#endif // C++17
|
||||
inline namespace _V2 {
|
||||
|
||||
@ -1268,7 +1268,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
||||
|
||||
#if __cplusplus > 201402L
|
||||
template <typename _Tp>
|
||||
constexpr size_t tuple_size_v = tuple_size<_Tp>::value;
|
||||
inline constexpr size_t tuple_size_v = tuple_size<_Tp>::value;
|
||||
#endif
|
||||
|
||||
/**
|
||||
@ -1610,16 +1610,20 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
||||
#endif
|
||||
|
||||
// A class (and instance) which can be used in 'tie' when an element
|
||||
// of a tuple is not required
|
||||
// of a tuple is not required.
|
||||
// _GLIBCXX14_CONSTEXPR
|
||||
// 2933. PR for LWG 2773 could be clearer
|
||||
struct _Swallow_assign
|
||||
{
|
||||
template<class _Tp>
|
||||
const _Swallow_assign&
|
||||
_GLIBCXX14_CONSTEXPR const _Swallow_assign&
|
||||
operator=(const _Tp&) const
|
||||
{ return *this; }
|
||||
};
|
||||
|
||||
const _Swallow_assign ignore{};
|
||||
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
||||
// 2773. Making std::ignore constexpr
|
||||
_GLIBCXX17_INLINE constexpr _Swallow_assign ignore{};
|
||||
|
||||
/// Partial specialization for tuples
|
||||
template<typename... _Types, typename _Alloc>
|
||||
|
||||
@ -174,15 +174,15 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
||||
{ };
|
||||
|
||||
template<typename... _Bn>
|
||||
constexpr bool conjunction_v
|
||||
inline constexpr bool conjunction_v
|
||||
= conjunction<_Bn...>::value;
|
||||
|
||||
template<typename... _Bn>
|
||||
constexpr bool disjunction_v
|
||||
inline constexpr bool disjunction_v
|
||||
= disjunction<_Bn...>::value;
|
||||
|
||||
template<typename _Pp>
|
||||
constexpr bool negation_v
|
||||
inline constexpr bool negation_v
|
||||
= negation<_Pp>::value;
|
||||
|
||||
#endif
|
||||
@ -2656,11 +2656,13 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
||||
#if __cplusplus >= 201402L
|
||||
/// is_swappable_v
|
||||
template<typename _Tp>
|
||||
constexpr bool is_swappable_v = is_swappable<_Tp>::value;
|
||||
_GLIBCXX17_INLINE constexpr bool is_swappable_v =
|
||||
is_swappable<_Tp>::value;
|
||||
|
||||
/// is_nothrow_swappable_v
|
||||
template<typename _Tp>
|
||||
constexpr bool is_nothrow_swappable_v = is_nothrow_swappable<_Tp>::value;
|
||||
_GLIBCXX17_INLINE constexpr bool is_nothrow_swappable_v =
|
||||
is_nothrow_swappable<_Tp>::value;
|
||||
#endif // __cplusplus >= 201402L
|
||||
|
||||
namespace __swappable_with_details {
|
||||
@ -2738,11 +2740,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
||||
#if __cplusplus >= 201402L
|
||||
/// is_swappable_with_v
|
||||
template<typename _Tp, typename _Up>
|
||||
constexpr bool is_swappable_with_v = is_swappable_with<_Tp, _Up>::value;
|
||||
_GLIBCXX17_INLINE constexpr bool is_swappable_with_v =
|
||||
is_swappable_with<_Tp, _Up>::value;
|
||||
|
||||
/// is_nothrow_swappable_with_v
|
||||
template<typename _Tp, typename _Up>
|
||||
constexpr bool is_nothrow_swappable_with_v =
|
||||
_GLIBCXX17_INLINE constexpr bool is_nothrow_swappable_with_v =
|
||||
is_nothrow_swappable_with<_Tp, _Up>::value;
|
||||
#endif // __cplusplus >= 201402L
|
||||
|
||||
@ -2884,155 +2887,161 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
||||
#if __cplusplus > 201402L
|
||||
# define __cpp_lib_type_trait_variable_templates 201510L
|
||||
template <typename _Tp>
|
||||
constexpr bool is_void_v = is_void<_Tp>::value;
|
||||
inline constexpr bool is_void_v = is_void<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_null_pointer_v = is_null_pointer<_Tp>::value;
|
||||
inline constexpr bool is_null_pointer_v = is_null_pointer<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_integral_v = is_integral<_Tp>::value;
|
||||
inline constexpr bool is_integral_v = is_integral<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_floating_point_v = is_floating_point<_Tp>::value;
|
||||
inline constexpr bool is_floating_point_v = is_floating_point<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_array_v = is_array<_Tp>::value;
|
||||
inline constexpr bool is_array_v = is_array<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_pointer_v = is_pointer<_Tp>::value;
|
||||
inline constexpr bool is_pointer_v = is_pointer<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_lvalue_reference_v = is_lvalue_reference<_Tp>::value;
|
||||
inline constexpr bool is_lvalue_reference_v =
|
||||
is_lvalue_reference<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_rvalue_reference_v = is_rvalue_reference<_Tp>::value;
|
||||
inline constexpr bool is_rvalue_reference_v =
|
||||
is_rvalue_reference<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_member_object_pointer_v =
|
||||
inline constexpr bool is_member_object_pointer_v =
|
||||
is_member_object_pointer<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_member_function_pointer_v =
|
||||
inline constexpr bool is_member_function_pointer_v =
|
||||
is_member_function_pointer<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_enum_v = is_enum<_Tp>::value;
|
||||
inline constexpr bool is_enum_v = is_enum<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_union_v = is_union<_Tp>::value;
|
||||
inline constexpr bool is_union_v = is_union<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_class_v = is_class<_Tp>::value;
|
||||
inline constexpr bool is_class_v = is_class<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_function_v = is_function<_Tp>::value;
|
||||
inline constexpr bool is_function_v = is_function<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_reference_v = is_reference<_Tp>::value;
|
||||
inline constexpr bool is_reference_v = is_reference<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_arithmetic_v = is_arithmetic<_Tp>::value;
|
||||
inline constexpr bool is_arithmetic_v = is_arithmetic<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_fundamental_v = is_fundamental<_Tp>::value;
|
||||
inline constexpr bool is_fundamental_v = is_fundamental<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_object_v = is_object<_Tp>::value;
|
||||
inline constexpr bool is_object_v = is_object<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_scalar_v = is_scalar<_Tp>::value;
|
||||
inline constexpr bool is_scalar_v = is_scalar<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_compound_v = is_compound<_Tp>::value;
|
||||
inline constexpr bool is_compound_v = is_compound<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_member_pointer_v = is_member_pointer<_Tp>::value;
|
||||
inline constexpr bool is_member_pointer_v = is_member_pointer<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_const_v = is_const<_Tp>::value;
|
||||
inline constexpr bool is_const_v = is_const<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_volatile_v = is_volatile<_Tp>::value;
|
||||
inline constexpr bool is_volatile_v = is_volatile<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_trivial_v = is_trivial<_Tp>::value;
|
||||
inline constexpr bool is_trivial_v = is_trivial<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_trivially_copyable_v = is_trivially_copyable<_Tp>::value;
|
||||
inline constexpr bool is_trivially_copyable_v =
|
||||
is_trivially_copyable<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_standard_layout_v = is_standard_layout<_Tp>::value;
|
||||
inline constexpr bool is_standard_layout_v = is_standard_layout<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_pod_v = is_pod<_Tp>::value;
|
||||
inline constexpr bool is_pod_v = is_pod<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_literal_type_v = is_literal_type<_Tp>::value;
|
||||
inline constexpr bool is_literal_type_v = is_literal_type<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_empty_v = is_empty<_Tp>::value;
|
||||
inline constexpr bool is_empty_v = is_empty<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_polymorphic_v = is_polymorphic<_Tp>::value;
|
||||
inline constexpr bool is_polymorphic_v = is_polymorphic<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_abstract_v = is_abstract<_Tp>::value;
|
||||
inline constexpr bool is_abstract_v = is_abstract<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_final_v = is_final<_Tp>::value;
|
||||
inline constexpr bool is_final_v = is_final<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_signed_v = is_signed<_Tp>::value;
|
||||
inline constexpr bool is_signed_v = is_signed<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_unsigned_v = is_unsigned<_Tp>::value;
|
||||
inline constexpr bool is_unsigned_v = is_unsigned<_Tp>::value;
|
||||
template <typename _Tp, typename... _Args>
|
||||
constexpr bool is_constructible_v = is_constructible<_Tp, _Args...>::value;
|
||||
inline constexpr bool is_constructible_v =
|
||||
is_constructible<_Tp, _Args...>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_default_constructible_v =
|
||||
inline constexpr bool is_default_constructible_v =
|
||||
is_default_constructible<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_copy_constructible_v = is_copy_constructible<_Tp>::value;
|
||||
inline constexpr bool is_copy_constructible_v =
|
||||
is_copy_constructible<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_move_constructible_v = is_move_constructible<_Tp>::value;
|
||||
inline constexpr bool is_move_constructible_v =
|
||||
is_move_constructible<_Tp>::value;
|
||||
template <typename _Tp, typename _Up>
|
||||
constexpr bool is_assignable_v = is_assignable<_Tp, _Up>::value;
|
||||
inline constexpr bool is_assignable_v = is_assignable<_Tp, _Up>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_copy_assignable_v = is_copy_assignable<_Tp>::value;
|
||||
inline constexpr bool is_copy_assignable_v = is_copy_assignable<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_move_assignable_v = is_move_assignable<_Tp>::value;
|
||||
inline constexpr bool is_move_assignable_v = is_move_assignable<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_destructible_v = is_destructible<_Tp>::value;
|
||||
inline constexpr bool is_destructible_v = is_destructible<_Tp>::value;
|
||||
template <typename _Tp, typename... _Args>
|
||||
constexpr bool is_trivially_constructible_v =
|
||||
inline constexpr bool is_trivially_constructible_v =
|
||||
is_trivially_constructible<_Tp, _Args...>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_trivially_default_constructible_v =
|
||||
inline constexpr bool is_trivially_default_constructible_v =
|
||||
is_trivially_default_constructible<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_trivially_copy_constructible_v =
|
||||
inline constexpr bool is_trivially_copy_constructible_v =
|
||||
is_trivially_copy_constructible<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_trivially_move_constructible_v =
|
||||
inline constexpr bool is_trivially_move_constructible_v =
|
||||
is_trivially_move_constructible<_Tp>::value;
|
||||
template <typename _Tp, typename _Up>
|
||||
constexpr bool is_trivially_assignable_v =
|
||||
inline constexpr bool is_trivially_assignable_v =
|
||||
is_trivially_assignable<_Tp, _Up>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_trivially_copy_assignable_v =
|
||||
inline constexpr bool is_trivially_copy_assignable_v =
|
||||
is_trivially_copy_assignable<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_trivially_move_assignable_v =
|
||||
inline constexpr bool is_trivially_move_assignable_v =
|
||||
is_trivially_move_assignable<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_trivially_destructible_v =
|
||||
inline constexpr bool is_trivially_destructible_v =
|
||||
is_trivially_destructible<_Tp>::value;
|
||||
template <typename _Tp, typename... _Args>
|
||||
constexpr bool is_nothrow_constructible_v =
|
||||
inline constexpr bool is_nothrow_constructible_v =
|
||||
is_nothrow_constructible<_Tp, _Args...>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_nothrow_default_constructible_v =
|
||||
inline constexpr bool is_nothrow_default_constructible_v =
|
||||
is_nothrow_default_constructible<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_nothrow_copy_constructible_v =
|
||||
inline constexpr bool is_nothrow_copy_constructible_v =
|
||||
is_nothrow_copy_constructible<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_nothrow_move_constructible_v =
|
||||
inline constexpr bool is_nothrow_move_constructible_v =
|
||||
is_nothrow_move_constructible<_Tp>::value;
|
||||
template <typename _Tp, typename _Up>
|
||||
constexpr bool is_nothrow_assignable_v =
|
||||
inline constexpr bool is_nothrow_assignable_v =
|
||||
is_nothrow_assignable<_Tp, _Up>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_nothrow_copy_assignable_v =
|
||||
inline constexpr bool is_nothrow_copy_assignable_v =
|
||||
is_nothrow_copy_assignable<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_nothrow_move_assignable_v =
|
||||
inline constexpr bool is_nothrow_move_assignable_v =
|
||||
is_nothrow_move_assignable<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool is_nothrow_destructible_v =
|
||||
inline constexpr bool is_nothrow_destructible_v =
|
||||
is_nothrow_destructible<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr bool has_virtual_destructor_v =
|
||||
inline constexpr bool has_virtual_destructor_v =
|
||||
has_virtual_destructor<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr size_t alignment_of_v = alignment_of<_Tp>::value;
|
||||
inline constexpr size_t alignment_of_v = alignment_of<_Tp>::value;
|
||||
template <typename _Tp>
|
||||
constexpr size_t rank_v = rank<_Tp>::value;
|
||||
inline constexpr size_t rank_v = rank<_Tp>::value;
|
||||
template <typename _Tp, unsigned _Idx = 0>
|
||||
constexpr size_t extent_v = extent<_Tp, _Idx>::value;
|
||||
inline constexpr size_t extent_v = extent<_Tp, _Idx>::value;
|
||||
template <typename _Tp, typename _Up>
|
||||
constexpr bool is_same_v = is_same<_Tp, _Up>::value;
|
||||
inline constexpr bool is_same_v = is_same<_Tp, _Up>::value;
|
||||
template <typename _Base, typename _Derived>
|
||||
constexpr bool is_base_of_v = is_base_of<_Base, _Derived>::value;
|
||||
inline constexpr bool is_base_of_v = is_base_of<_Base, _Derived>::value;
|
||||
template <typename _From, typename _To>
|
||||
constexpr bool is_convertible_v = is_convertible<_From, _To>::value;
|
||||
inline constexpr bool is_convertible_v = is_convertible<_From, _To>::value;
|
||||
|
||||
#ifdef __has_builtin
|
||||
# if !__has_builtin(__has_unique_object_representations)
|
||||
|
||||
@ -91,7 +91,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
||||
: std::integral_constant<size_t, sizeof...(_Types)> {};
|
||||
|
||||
template<typename _Variant>
|
||||
constexpr size_t variant_size_v = variant_size<_Variant>::value;
|
||||
inline constexpr size_t variant_size_v = variant_size<_Variant>::value;
|
||||
|
||||
template<size_t _Np, typename _Variant>
|
||||
struct variant_alternative;
|
||||
@ -120,7 +120,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
||||
struct variant_alternative<_Np, const volatile _Variant>
|
||||
{ using type = add_cv_t<variant_alternative_t<_Np, _Variant>>; };
|
||||
|
||||
constexpr size_t variant_npos = -1;
|
||||
inline constexpr size_t variant_npos = -1;
|
||||
|
||||
template<size_t _Np, typename... _Types>
|
||||
constexpr variant_alternative_t<_Np, variant<_Types...>>&
|
||||
@ -151,7 +151,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
||||
struct __index_of : std::integral_constant<size_t, 0> {};
|
||||
|
||||
template<typename _Tp, typename... _Types>
|
||||
constexpr size_t __index_of_v = __index_of<_Tp, _Types...>::value;
|
||||
inline constexpr size_t __index_of_v = __index_of<_Tp, _Types...>::value;
|
||||
|
||||
template<typename _Tp, typename _First, typename... _Rest>
|
||||
struct __index_of<_Tp, _First, _Rest...> :
|
||||
@ -510,7 +510,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
||||
struct __tuple_count;
|
||||
|
||||
template<typename _Tp, typename _Tuple>
|
||||
constexpr size_t __tuple_count_v = __tuple_count<_Tp, _Tuple>::value;
|
||||
inline constexpr size_t __tuple_count_v =
|
||||
__tuple_count<_Tp, _Tuple>::value;
|
||||
|
||||
template<typename _Tp, typename... _Types>
|
||||
struct __tuple_count<_Tp, tuple<_Types...>>
|
||||
@ -524,7 +525,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
||||
|
||||
// TODO: Reuse this in <tuple> ?
|
||||
template<typename _Tp, typename... _Types>
|
||||
constexpr bool __exactly_once = __tuple_count_v<_Tp, tuple<_Types...>> == 1;
|
||||
inline constexpr bool __exactly_once =
|
||||
__tuple_count_v<_Tp, tuple<_Types...>> == 1;
|
||||
|
||||
// Takes _Types and create an overloaded _S_fun for each type.
|
||||
// If a type appears more than once in _Types, create only one overload.
|
||||
|
||||
@ -30,8 +30,10 @@ namespace std {
|
||||
|
||||
#if __cplusplus > 201402L
|
||||
enum class align_val_t : size_t;
|
||||
// static constexpr size_t hardware_destructive_interference_size;
|
||||
// static constexpr size_t hardware_constructive_interference_size;
|
||||
// _GLIBCXX17_INLINE constexpr size_t
|
||||
// hardware_destructive_interference_size;
|
||||
// _GLIBCXX17_INLINE constexpr size_t
|
||||
// hardware_constructive_interference_size;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
@ -41,7 +41,7 @@ test02()
|
||||
// { dg-error "required from here" "" { target *-*-* } 28 }
|
||||
// { dg-error "expected initializer" "" { target *-*-* } 35 }
|
||||
// { dg-error "expected initializer" "" { target *-*-* } 37 }
|
||||
// { dg-error "overflow in addition" "" { target *-*-* } 451 }
|
||||
// { dg-error "overflow in addition" "" { target *-*-* } 452 }
|
||||
// { dg-error "overflow in multiplication" "" { target *-*-* } 97 }
|
||||
// { dg-error "overflow in multiplication" "" { target *-*-* } 99 }
|
||||
// { dg-error "overflow in multiplication" "" { target *-*-* } 101 }
|
||||
|
||||
@ -46,5 +46,5 @@ test01()
|
||||
scoped_alloc sa;
|
||||
auto p = sa.allocate(1);
|
||||
sa.construct(p); // this is required to be ill-formed
|
||||
// { dg-error "static assertion failed" "" { target *-*-* } 89 }
|
||||
// { dg-error "static assertion failed" "" { target *-*-* } 90 }
|
||||
}
|
||||
|
||||
@ -118,6 +118,25 @@ test_tuple_cat()
|
||||
constexpr auto cat1 __attribute__((unused)) = std::tuple_cat(t1, t2);
|
||||
}
|
||||
|
||||
namespace {
|
||||
|
||||
template<class T>
|
||||
constexpr int zero_from_anything(T)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// ignore, see LWG 2773
|
||||
void
|
||||
test_ignore()
|
||||
{
|
||||
constexpr auto ign1 __attribute__((unused)) = std::ignore;
|
||||
constexpr auto ign2 __attribute__((unused)) = std::make_tuple(std::ignore);
|
||||
constexpr int ign3 __attribute__((unused)) = zero_from_anything(std::ignore);
|
||||
}
|
||||
|
||||
int
|
||||
main()
|
||||
{
|
||||
@ -126,6 +145,7 @@ main()
|
||||
test_tie();
|
||||
test_get();
|
||||
test_tuple_cat();
|
||||
test_ignore();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -0,0 +1,31 @@
|
||||
// { dg-do compile { target c++14 } }
|
||||
|
||||
// Copyright (C) 2017 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <tuple>
|
||||
|
||||
// ignore, see LWG 2773 + LWG 2933.
|
||||
constexpr bool
|
||||
test_ignore()
|
||||
{
|
||||
auto res = std::tie(std::ignore);
|
||||
std::get<0>(res) = 42;
|
||||
return true;
|
||||
}
|
||||
|
||||
static_assert(test_ignore(), "test_ignore failure");
|
||||
@ -44,5 +44,5 @@ test01()
|
||||
{
|
||||
alloc_type a;
|
||||
std::tuple<X> t(std::allocator_arg, a); // this is required to be ill-formed
|
||||
// { dg-error "static assertion failed" "" { target *-*-* } 89 }
|
||||
// { dg-error "static assertion failed" "" { target *-*-* } 90 }
|
||||
}
|
||||
|
||||
@ -43,4 +43,4 @@ void test01()
|
||||
|
||||
tuple<Type> t(allocator_arg, a, 1);
|
||||
}
|
||||
// { dg-error "static assertion failed" "" { target *-*-* } 89 }
|
||||
// { dg-error "static assertion failed" "" { target *-*-* } 90 }
|
||||
|
||||
Loading…
Reference in New Issue
Block a user