More test fixes and rebase conflicts!

This commit is contained in:
Alex Crichton 2014-11-26 11:17:23 -08:00
parent e8d743ec1d
commit 5816d7f530
9 changed files with 128 additions and 119 deletions

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@ -572,7 +572,7 @@ impl<'a, T> DoubleEndedIterator<&'a T> for Items<'a, T> {
fn next_back(&mut self) -> Option<(&'a T)> { self.iter.next_back() }
}
impl<'a, T> ExactSize<&'a T> for Items<'a, T> {}
impl<'a, T> ExactSizeIterator<&'a T> for Items<'a, T> {}
/// An iterator that moves out of a `BinaryHeap`.
pub struct MoveItems<T> {

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@ -797,7 +797,7 @@ impl<T> DoubleEndedIterator<T> for MoveItems<T> {
}
impl<T> ExactSize<T> for MoveItems<T> {}
impl<T> ExactSizeIterator<T> for MoveItems<T> {}
impl<A: PartialEq> PartialEq for RingBuf<A> {
fn eq(&self, other: &RingBuf<A>) -> bool {

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@ -147,5 +147,6 @@ register_diagnostics!(
E0168,
E0169,
E0170,
E0171
E0171,
E0172
)

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@ -42,18 +42,19 @@ pub fn supertraits<'cx, 'tcx>(tcx: &'cx ty::ctxt<'tcx>,
trait_ref: Rc<ty::TraitRef<'tcx>>)
-> Supertraits<'cx, 'tcx>
{
/// Returns an iterator over the trait reference `T` and all of its supertrait references. May
/// contain duplicates. In general the ordering is not defined.
///
/// Example:
///
/// ```
/// trait Foo { ... }
/// trait Bar : Foo { ... }
/// trait Baz : Bar+Foo { ... }
/// ```
///
/// `supertraits(Baz)` yields `[Baz, Bar, Foo, Foo]` in some order.
//! Returns an iterator over the trait reference `T` and all of its supertrait references. May
//! contain duplicates. In general the ordering is not defined.
//!
//! Example:
//!
//! ```
//! trait Foo { ... }
//! trait Bar : Foo { ... }
//! trait Baz : Bar+Foo { ... }
//! ```
//!
//! `supertraits(Baz)` yields `[Baz, Bar, Foo, Foo]` in some order.
transitive_bounds(tcx, &[trait_ref])
}

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@ -703,7 +703,7 @@ fn ast_ty_to_trait_ref<'tcx,AC,RS>(this: &AC,
path));
}
_ => {
span_err!(this.tcx().sess, ty.span, E0170, "expected a reference to a trait");
span_err!(this.tcx().sess, ty.span, E0172, "expected a reference to a trait");
Err(ErrorReported)
}
}

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@ -1252,8 +1252,6 @@ fn compare_impl_method<'tcx>(tcx: &ty::ctxt<'tcx>,
-> bool
{
*/
let trait_params = trait_generics.regions.get_slice(subst::FnSpace);
let impl_params = impl_generics.regions.get_slice(subst::FnSpace);

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@ -552,7 +552,7 @@ impl<'tcx, K: KindOps + fmt::Show> Datum<'tcx, K> {
self.kind)
}
//! See the `appropriate_rvalue_mode()` function
/// See the `appropriate_rvalue_mode()` function
pub fn appropriate_rvalue_mode<'a>(&self, ccx: &CrateContext<'a, 'tcx>)
-> RvalueMode {
appropriate_rvalue_mode(ccx, self.ty)

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@ -13,15 +13,15 @@
//! Utilities for formatting and printing strings
//!
//! This module contains the runtime support for the `format!` syntax extension.
//! This macro is implemented in the compiler to emit calls to this module in order
//! to format arguments at runtime into strings and streams.
//! This macro is implemented in the compiler to emit calls to this module in
//! order to format arguments at runtime into strings and streams.
//!
//! The functions contained in this module should not normally be used in everyday
//! use cases of `format!`. The assumptions made by these functions are unsafe for
//! all inputs, and the compiler performs a large amount of validation on the
//! arguments to `format!` in order to ensure safety at runtime. While it is
//! possible to call these functions directly, it is not recommended to do so in the
//! general case.
//! The functions contained in this module should not normally be used in
//! everyday use cases of `format!`. The assumptions made by these functions are
//! unsafe for all inputs, and the compiler performs a large amount of
//! validation on the arguments to `format!` in order to ensure safety at
//! runtime. While it is possible to call these functions directly, it is not
//! recommended to do so in the general case.
//!
//! ## Usage
//!
@ -46,9 +46,9 @@
//!
//! From these, you can see that the first argument is a format string. It is
//! required by the compiler for this to be a string literal; it cannot be a
//! variable passed in (in order to perform validity checking). The compiler will
//! then parse the format string and determine if the list of arguments provided is
//! suitable to pass to this format string.
//! variable passed in (in order to perform validity checking). The compiler
//! will then parse the format string and determine if the list of arguments
//! provided is suitable to pass to this format string.
//!
//! ### Positional parameters
//!
@ -60,16 +60,16 @@
//!
//! Things can get a little tricky once you start intermingling the two types of
//! positional specifiers. The "next argument" specifier can be thought of as an
//! iterator over the argument. Each time a "next argument" specifier is seen, the
//! iterator advances. This leads to behavior like this:
//! iterator over the argument. Each time a "next argument" specifier is seen,
//! the iterator advances. This leads to behavior like this:
//!
//! ```rust
//! format!("{1} {} {0} {}", 1i, 2i); // => "2 1 1 2"
//! ```
//!
//! The internal iterator over the argument has not been advanced by the time the
//! first `{}` is seen, so it prints the first argument. Then upon reaching the
//! second `{}`, the iterator has advanced forward to the second argument.
//! The internal iterator over the argument has not been advanced by the time
//! the first `{}` is seen, so it prints the first argument. Then upon reaching
//! the second `{}`, the iterator has advanced forward to the second argument.
//! Essentially, parameters which explicitly name their argument do not affect
//! parameters which do not name an argument in terms of positional specifiers.
//!
@ -98,27 +98,30 @@
//! # }
//! ```
//!
//! It is illegal to put positional parameters (those without names) after arguments
//! which have names. Like with positional parameters, it is illegal to provide
//! named parameters that are unused by the format string.
//! It is illegal to put positional parameters (those without names) after
//! arguments which have names. Like with positional parameters, it is illegal
//! to provide named parameters that are unused by the format string.
//!
//! ### Argument types
//!
//! Each argument's type is dictated by the format string. It is a requirement that every argument is
//! only ever referred to by one type. For example, this is an invalid format string:
//! Each argument's type is dictated by the format string. It is a requirement
//! that every argument is only ever referred to by one type. For example, this
//! is an invalid format string:
//!
//! ```text
//! {0:x} {0:o}
//! ```
//!
//! This is invalid because the first argument is both referred to as a hexidecimal as well as an
//! This is invalid because the first argument is both referred to as a
//! hexidecimal as well as an
//! octal.
//!
//! There are various parameters which do require a particular type, however. Namely if the syntax
//! `{:.*}` is used, then the number of characters to print precedes the actual object being formatted,
//! and the number of characters must have the type `uint`. Although a `uint` can be printed with
//! `{}`, it is illegal to reference an argument as such. For example this is another invalid
//! format string:
//! There are various parameters which do require a particular type, however.
//! Namely if the syntax `{:.*}` is used, then the number of characters to print
//! precedes the actual object being formatted, and the number of characters
//! must have the type `uint`. Although a `uint` can be printed with `{}`, it is
//! illegal to reference an argument as such. For example this is another
//! invalid format string:
//!
//! ```text
//! {:.*} {0}
@ -126,10 +129,10 @@
//!
//! ### Formatting traits
//!
//! When requesting that an argument be formatted with a particular type, you are
//! actually requesting that an argument ascribes to a particular trait. This allows
//! multiple actual types to be formatted via `{:x}` (like `i8` as well as `int`).
//! The current mapping of types to traits is:
//! When requesting that an argument be formatted with a particular type, you
//! are actually requesting that an argument ascribes to a particular trait.
//! This allows multiple actual types to be formatted via `{:x}` (like `i8` as
//! well as `int`). The current mapping of types to traits is:
//!
//! * *nothing* ⇒ `Show`
//! * `o` ⇒ `Octal`
@ -141,14 +144,14 @@
//! * `E` ⇒ `UpperExp`
//!
//! What this means is that any type of argument which implements the
//! `std::fmt::Binary` trait can then be formatted with `{:b}`. Implementations are
//! provided for these traits for a number of primitive types by the standard
//! library as well. If no format is specified (as in `{}` or `{:6}`), then the
//! format trait used is the `Show` trait. This is one of the more commonly
//! implemented traits when formatting a custom type.
//! `std::fmt::Binary` trait can then be formatted with `{:b}`. Implementations
//! are provided for these traits for a number of primitive types by the
//! standard library as well. If no format is specified (as in `{}` or `{:6}`),
//! then the format trait used is the `Show` trait. This is one of the more
//! commonly implemented traits when formatting a custom type.
//!
//! When implementing a format trait for your own type, you will have to implement a
//! method of the signature:
//! When implementing a format trait for your own type, you will have to
//! implement a method of the signature:
//!
//! ```rust
//! # use std::fmt;
@ -159,17 +162,17 @@
//! # } }
//! ```
//!
//! Your type will be passed as `self` by-reference, and then the function should
//! emit output into the `f.buf` stream. It is up to each format trait
//! implementation to correctly adhere to the requested formatting parameters. The
//! values of these parameters will be listed in the fields of the `Formatter`
//! struct. In order to help with this, the `Formatter` struct also provides some
//! helper methods.
//! Your type will be passed as `self` by-reference, and then the function
//! should emit output into the `f.buf` stream. It is up to each format trait
//! implementation to correctly adhere to the requested formatting parameters.
//! The values of these parameters will be listed in the fields of the
//! `Formatter` struct. In order to help with this, the `Formatter` struct also
//! provides some helper methods.
//!
//! Additionally, the return value of this function is `fmt::Result` which is a
//! typedef to `Result<(), IoError>` (also known as `IoResult<()>`). Formatting
//! implementations should ensure that they return errors from `write!` correctly
//! (propagating errors upward).
//! implementations should ensure that they return errors from `write!`
//! correctly (propagating errors upward).
//!
//! An example of implementing the formatting traits would look
//! like:
@ -193,8 +196,8 @@
//! }
//! }
//!
//! // Different traits allow different forms of output of a type. The meaning of
//! // this format is to print the magnitude of a vector.
//! // Different traits allow different forms of output of a type. The meaning
//! // of this format is to print the magnitude of a vector.
//! impl fmt::Binary for Vector2D {
//! fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
//! let magnitude = (self.x * self.x + self.y * self.y) as f64;
@ -219,8 +222,8 @@
//!
//! ### Related macros
//!
//! There are a number of related macros in the `format!` family. The ones that are
//! currently implemented are:
//! There are a number of related macros in the `format!` family. The ones that
//! are currently implemented are:
//!
//! ```ignore
//! format! // described above
@ -233,10 +236,11 @@
//!
//! #### `write!`
//!
//! This and `writeln` are two macros which are used to emit the format string to a
//! specified stream. This is used to prevent intermediate allocations of format
//! strings and instead directly write the output. Under the hood, this function is
//! actually invoking the `write` function defined in this module. Example usage is:
//! This and `writeln` are two macros which are used to emit the format string
//! to a specified stream. This is used to prevent intermediate allocations of
//! format strings and instead directly write the output. Under the hood, this
//! function is actually invoking the `write` function defined in this module.
//! Example usage is:
//!
//! ```rust
//! # #![allow(unused_must_use)]
@ -248,9 +252,9 @@
//!
//! #### `print!`
//!
//! This and `println` emit their output to stdout. Similarly to the `write!` macro,
//! the goal of these macros is to avoid intermediate allocations when printing
//! output. Example usage is:
//! This and `println` emit their output to stdout. Similarly to the `write!`
//! macro, the goal of these macros is to avoid intermediate allocations when
//! printing output. Example usage is:
//!
//! ```rust
//! print!("Hello {}!", "world");
@ -274,7 +278,8 @@
//! format_args!(fmt::format, "this returns {}", "String");
//!
//! let some_writer: &mut io::Writer = &mut io::stdout();
//! format_args!(|args| { write!(some_writer, "{}", args) }, "print with a {}", "closure");
//! format_args!(|args| { write!(some_writer, "{}", args) },
//! "print with a {}", "closure");
//!
//! fn my_fmt_fn(args: &fmt::Arguments) {
//! write!(&mut io::stdout(), "{}", args);
@ -283,28 +288,28 @@
//! # }
//! ```
//!
//! The first argument of the `format_args!` macro is a function (or closure) which
//! takes one argument of type `&fmt::Arguments`. This structure can then be
//! passed to the `write` and `format` functions inside this module in order to
//! process the format string. The goal of this macro is to even further prevent
//! intermediate allocations when dealing formatting strings.
//! The first argument of the `format_args!` macro is a function (or closure)
//! which takes one argument of type `&fmt::Arguments`. This structure can then
//! be passed to the `write` and `format` functions inside this module in order
//! to process the format string. The goal of this macro is to even further
//! prevent intermediate allocations when dealing formatting strings.
//!
//! For example, a logging library could use the standard formatting syntax, but it
//! would internally pass around this structure until it has been determined where
//! output should go to.
//! For example, a logging library could use the standard formatting syntax, but
//! it would internally pass around this structure until it has been determined
//! where output should go to.
//!
//! It is unsafe to programmatically create an instance of `fmt::Arguments` because
//! the operations performed when executing a format string require the compile-time
//! checks provided by the compiler. The `format_args!` macro is the only method of
//! safely creating these structures, but they can be unsafely created with the
//! constructor provided.
//! It is unsafe to programmatically create an instance of `fmt::Arguments`
//! because the operations performed when executing a format string require the
//! compile-time checks provided by the compiler. The `format_args!` macro is
//! the only method of safely creating these structures, but they can be
//! unsafely created with the constructor provided.
//!
//! ## Syntax
//!
//! The syntax for the formatting language used is drawn from other languages, so it
//! should not be too alien. Arguments are formatted with python-like syntax,
//! meaning that arguments are surrounded by `{}` instead of the C-like `%`. The
//! actual grammar for the formatting syntax is:
//! The syntax for the formatting language used is drawn from other languages,
//! so it should not be too alien. Arguments are formatted with python-like
//! syntax, meaning that arguments are surrounded by `{}` instead of the C-like
//! `%`. The actual grammar for the formatting syntax is:
//!
//! ```text
//! format_string := <text> [ format <text> ] *
@ -333,8 +338,9 @@
//!
//! The fill character is provided normally in conjunction with the `width`
//! parameter. This indicates that if the value being formatted is smaller than
//! `width` some extra characters will be printed around it. The extra characters
//! are specified by `fill`, and the alignment can be one of two options:
//! `width` some extra characters will be printed around it. The extra
//! characters are specified by `fill`, and the alignment can be one of two
//! options:
//!
//! * `<` - the argument is left-aligned in `width` columns
//! * `^` - the argument is center-aligned in `width` columns
@ -344,33 +350,36 @@
//!
//! These can all be interpreted as flags for a particular formatter.
//!
//! * '+' - This is intended for numeric types and indicates that the sign should
//! always be printed. Positive signs are never printed by default, and the
//! negative sign is only printed by default for the `Signed` trait. This
//! flag indicates that the correct sign (+ or -) should always be printed.
//! * '+' - This is intended for numeric types and indicates that the sign
//! should always be printed. Positive signs are never printed by
//! default, and the negative sign is only printed by default for the
//! `Signed` trait. This flag indicates that the correct sign (+ or -)
//! should always be printed.
//! * '-' - Currently not used
//! * '#' - This flag is indicates that the "alternate" form of printing should be
//! used. By default, this only applies to the integer formatting traits and
//! performs like:
//! * '#' - This flag is indicates that the "alternate" form of printing should
//! be used. By default, this only applies to the integer formatting
//! traits and performs like:
//! * `x` - precedes the argument with a "0x"
//! * `X` - precedes the argument with a "0x"
//! * `t` - precedes the argument with a "0b"
//! * `o` - precedes the argument with a "0o"
//! * '0' - This is used to indicate for integer formats that the padding should
//! both be done with a `0` character as well as be sign-aware. A format
//! like `{:08d}` would yield `00000001` for the integer `1`, while the same
//! format would yield `-0000001` for the integer `-1`. Notice that the
//! negative version has one fewer zero than the positive version.
//! like `{:08d}` would yield `00000001` for the integer `1`, while the
//! same format would yield `-0000001` for the integer `-1`. Notice that
//! the negative version has one fewer zero than the positive version.
//!
//! ### Width
//!
//! This is a parameter for the "minimum width" that the format should take up. If
//! the value's string does not fill up this many characters, then the padding
//! specified by fill/alignment will be used to take up the required space.
//! This is a parameter for the "minimum width" that the format should take up.
//! If the value's string does not fill up this many characters, then the
//! padding specified by fill/alignment will be used to take up the required
//! space.
//!
//! The default fill/alignment for non-numerics is a space and left-aligned. The
//! defaults for numeric formatters is also a space but with right-alignment. If the
//! '0' flag is specified for numerics, then the implicit fill character is '0'.
//! defaults for numeric formatters is also a space but with right-alignment. If
//! the '0' flag is specified for numerics, then the implicit fill character is
//! '0'.
//!
//! The value for the width can also be provided as a `uint` in the list of
//! parameters by using the `2$` syntax indicating that the second argument is a
@ -379,19 +388,19 @@
//! ### Precision
//!
//! For non-numeric types, this can be considered a "maximum width". If the
//! resulting string is longer than this width, then it is truncated down to this
//! many characters and only those are emitted.
//! resulting string is longer than this width, then it is truncated down to
//! this many characters and only those are emitted.
//!
//! For integral types, this has no meaning currently.
//!
//! For floating-point types, this indicates how many digits after the decimal point
//! should be printed.
//! For floating-point types, this indicates how many digits after the decimal
//! point should be printed.
//!
//! ## Escaping
//!
//! The literal characters `{` and `}` may be included in a string by preceding them
//! with the same character. For example, the `{` character is escaped with `{{` and
//! the `}` character is escaped with `}}`.
//! The literal characters `{` and `}` may be included in a string by preceding
//! them with the same character. For example, the `{` character is escaped with
//! `{{` and the `}` character is escaped with `}}`.
#![experimental]

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@ -124,7 +124,7 @@ pub fn stderr() -> Option<Box<Terminal<WriterWrapper> + Send>> {
#[cfg(windows)]
/// Return a Terminal wrapping stderr, or None if a terminal couldn't be
/// opened.
pub fn stderr() -> Option<Box<Terminal<WriterWrapper> + Send> + Send> {
pub fn stderr() -> Option<Box<Terminal<WriterWrapper> + Send>> {
let ti = TerminfoTerminal::new(WriterWrapper {
wrapped: box std::io::stderr() as Box<Writer + Send>,
});