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... a call to ranges::begin on an input range. This implements LWG 3286. The new wording for the single-argument constructor for subrange is implemented by splitting the constructor into two delegating constructors, one constrained by _S_store_size and the other by !_S_store_size. Tested on x86_64-pc-linux-gnu, both added tests fail before the patch and pass with the patch. libstdc++-v3/ChangeLog: LWG 3286 ranges::size is not required to be valid after a call to ranges::begin on an input range * include/std/ranges (subrange::subrange): Split single-argument constructor into two, one constrained by _S_store_size and another by !_S_store_size. (take_view::begin): Call size() before calling ranges::begin(_M_base). * testsuite/std/ranges/adaptors/lwg3286.cc: New test. * testsuite/std/ranges/subrange/lwg3286.cc: New test. |
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| config | ||
| doc | ||
| include | ||
| libsupc++ | ||
| po | ||
| python | ||
| scripts | ||
| src | ||
| testsuite | ||
| acinclude.m4 | ||
| aclocal.m4 | ||
| ChangeLog | ||
| ChangeLog-1998 | ||
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| ChangeLog-2018 | ||
| ChangeLog-2019 | ||
| config.h.in | ||
| configure | ||
| configure.ac | ||
| configure.host | ||
| crossconfig.m4 | ||
| fragment.am | ||
| linkage.m4 | ||
| Makefile.am | ||
| Makefile.in | ||
| README | ||
file: libstdc++-v3/README New users may wish to point their web browsers to the file index.html in the 'doc/html' subdirectory. It contains brief building instructions and notes on how to configure the library in interesting ways.