diff --git a/src/libcollections/binary_heap.rs b/src/libcollections/binary_heap.rs index d927a8a685afb..cbf45ee36a3d8 100644 --- a/src/libcollections/binary_heap.rs +++ b/src/libcollections/binary_heap.rs @@ -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 { diff --git a/src/libcollections/ring_buf.rs b/src/libcollections/ring_buf.rs index e719a6c6da373..e11ba35367e2e 100644 --- a/src/libcollections/ring_buf.rs +++ b/src/libcollections/ring_buf.rs @@ -797,7 +797,7 @@ impl DoubleEndedIterator for MoveItems { } -impl ExactSize for MoveItems {} +impl ExactSizeIterator for MoveItems {} impl PartialEq for RingBuf { fn eq(&self, other: &RingBuf) -> bool { diff --git a/src/librustc/diagnostics.rs b/src/librustc/diagnostics.rs index 1873213fadf1d..81209763a0c5a 100644 --- a/src/librustc/diagnostics.rs +++ b/src/librustc/diagnostics.rs @@ -147,5 +147,6 @@ register_diagnostics!( E0168, E0169, E0170, - E0171 + E0171, + E0172 ) diff --git a/src/librustc/middle/traits/util.rs b/src/librustc/middle/traits/util.rs index b9e694ff4e2b2..cd7260b1812a3 100644 --- a/src/librustc/middle/traits/util.rs +++ b/src/librustc/middle/traits/util.rs @@ -42,18 +42,19 @@ pub fn supertraits<'cx, 'tcx>(tcx: &'cx ty::ctxt<'tcx>, trait_ref: Rc>) -> 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]) } diff --git a/src/librustc/middle/typeck/astconv.rs b/src/librustc/middle/typeck/astconv.rs index c10fb55c9bdd9..89c004fc64596 100644 --- a/src/librustc/middle/typeck/astconv.rs +++ b/src/librustc/middle/typeck/astconv.rs @@ -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) } } diff --git a/src/librustc/middle/typeck/check/mod.rs b/src/librustc/middle/typeck/check/mod.rs index acacb1727faab..40a38d45fa078 100644 --- a/src/librustc/middle/typeck/check/mod.rs +++ b/src/librustc/middle/typeck/check/mod.rs @@ -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); diff --git a/src/librustc_trans/trans/datum.rs b/src/librustc_trans/trans/datum.rs index 8b92b0e05a8c0..f0fd94958ee97 100644 --- a/src/librustc_trans/trans/datum.rs +++ b/src/librustc_trans/trans/datum.rs @@ -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) diff --git a/src/libstd/fmt.rs b/src/libstd/fmt.rs index 62ca3483c21b3..7e1bfd704a927 100644 --- a/src/libstd/fmt.rs +++ b/src/libstd/fmt.rs @@ -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 := [ format ] * @@ -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] diff --git a/src/libterm/lib.rs b/src/libterm/lib.rs index 611c10ea71a09..f41c93764647e 100644 --- a/src/libterm/lib.rs +++ b/src/libterm/lib.rs @@ -124,7 +124,7 @@ pub fn stderr() -> Option + Send>> { #[cfg(windows)] /// Return a Terminal wrapping stderr, or None if a terminal couldn't be /// opened. -pub fn stderr() -> Option + Send> + Send> { +pub fn stderr() -> Option + Send>> { let ti = TerminfoTerminal::new(WriterWrapper { wrapped: box std::io::stderr() as Box, });