Delete spaces

.github/ISSUE_TEMPLATE/diagnostics.md

@@ -9,7 +9,7 @@ along with any information you feel relevant to replicating the bug.
 
 If you cannot produce a minimal reproduction case (something that would work in
 isolation), please provide the steps or even link to a repository that causes
-the problematic output to occur. 
+the problematic output to occur.
 -->
 
 Given the following code: <!-- Please provide a link to play.rust-lang.org -->

README.md

@@ -21,7 +21,7 @@ Read ["Installation"] from [The Book].
 The Rust build system uses a Python script called `x.py` to build the compiler,
 which manages the bootstrapping process. It lives in the root of the project.
 
-The `x.py` command can be run directly on most systems in the following format: 
+The `x.py` command can be run directly on most systems in the following format:
 
 ```sh
 ./x.py <subcommand> [flags]

RELEASES.md

@@ -174,7 +174,7 @@ Language
 --------
 - [You can now parameterize items such as functions, traits, and `struct`s by constant
   values in addition to by types and lifetimes.][79135] Also known as "const generics"
-  E.g. you can now write the following. Note: Only values of primitive integers, 
+  E.g. you can now write the following. Note: Only values of primitive integers,
   `bool`, or `char` types are currently permitted.
   ```rust
   struct GenericArray<T, const LENGTH: usize> {

config.toml.example

@@ -567,8 +567,8 @@ changelog-seen = 2
 # On Linux target, if crt-static is not enabled, 'no' means dynamic link to
 # `libgcc_s.so`, 'in-tree' means static link to the in-tree build of llvm libunwind
 # and 'system' means dynamic link to `libunwind.so`. If crt-static is enabled,
-# the behavior is depend on the libc. On musl target, 'no' and 'in-tree' both 
-# means static link to the in-tree build of llvm libunwind, and 'system' means 
+# the behavior is depend on the libc. On musl target, 'no' and 'in-tree' both
+# means static link to the in-tree build of llvm libunwind, and 'system' means
 # static link to `libunwind.a` provided by system. Due to the limitation of glibc,
 # it must link to `libgcc_eh.a` to get a working output, and this option have no effect.
 #llvm-libunwind = 'no'

src/librustdoc/html/static/FiraSans-LICENSE.txt

@@ -1,5 +1,5 @@
 Digitized data copyright (c) 2012-2015, The Mozilla Foundation and Telefonica S.A.
-with Reserved Font Name < Fira >, 
+with Reserved Font Name < Fira >,
 
 This Font Software is licensed under the SIL Open Font License, Version 1.1.
 This license is copied below, and is also available with a FAQ at:
@@ -19,7 +19,7 @@ with others.
 
 The OFL allows the licensed fonts to be used, studied, modified and
 redistributed freely as long as they are not sold by themselves. The
-fonts, including any derivative works, can be bundled, embedded, 
+fonts, including any derivative works, can be bundled, embedded,
 redistributed and/or sold with any software provided that any reserved
 names are not used by derivative works. The fonts and derivatives,
 however, cannot be released under any other type of license. The

src/tools/clippy/CONTRIBUTING.md

@@ -342,7 +342,7 @@ We have prioritization labels and a sync-blocker label, which are described belo
 - [P-low][p-low]: Requires attention (fix/response/evaluation) by a team member but isn't urgent.
 - [P-medium][p-medium]: Should be addressed by a team member until the next sync.
 - [P-high][p-high]: Should be immediately addressed and will require an out-of-cycle sync or a backport.
-- [L-sync-blocker][l-sync-blocker]: An issue that "blocks" a sync. 
+- [L-sync-blocker][l-sync-blocker]: An issue that "blocks" a sync.
 Or rather: before the sync this should be addressed,
 e.g. by removing a lint again, so it doesn't hit beta/stable.
 

src/tools/clippy/README.md

@@ -95,7 +95,7 @@ As with `cargo check`, this includes dependencies that are members of the worksp
 If you want to run Clippy **only** on the given crate, use the `--no-deps` option like this:
 
 ```terminal
-cargo clippy -p example -- --no-deps 
+cargo clippy -p example -- --no-deps
 ```
 
 ### As a rustc replacement (`clippy-driver`)

src/tools/clippy/clippy_utils/src/ast_utils.rs

@@ -178,7 +178,7 @@ pub fn eq_expr(l: &Expr, r: &Expr) -> bool {
         (Path(lq, lp), Path(rq, rp)) => both(lq, rq, |l, r| eq_qself(l, r)) && eq_path(lp, rp),
         (MacCall(l), MacCall(r)) => eq_mac_call(l, r),
         (Struct(lse), Struct(rse)) => {
-            eq_maybe_qself(&lse.qself, &rse.qself) 
+            eq_maybe_qself(&lse.qself, &rse.qself)
                 && eq_path(&lse.path, &rse.path)
                 && eq_struct_rest(&lse.rest, &rse.rest)
                 && unordered_over(&lse.fields, &rse.fields, |l, r| eq_field(l, r))

src/tools/clippy/doc/basics.md

@@ -96,9 +96,9 @@ cargo dev ide_setup
 
 ## lintcheck
 `cargo lintcheck` will build and run clippy on a fixed set of crates and generate a log of the results.  
-You can `git diff` the updated log against its previous version and 
+You can `git diff` the updated log against its previous version and
 see what impact your lint made on a small set of crates.  
-If you add a new lint, please audit the resulting warnings and make sure 
+If you add a new lint, please audit the resulting warnings and make sure
 there are no false positives and that the suggestions are valid.
 
 Refer to the tools [README] for more details.

src/tools/clippy/lintcheck/README.md

@@ -73,5 +73,5 @@ You can run `./lintcheck/target/debug/lintcheck --fix` which will run Clippy wit
 print a warning if Clippys suggestions fail to apply (if the resulting code does not build).  
 This lets us spot bad suggestions or false positives automatically in some cases.  
 
-Please note that the target dir should be cleaned afterwards since clippy will modify 
+Please note that the target dir should be cleaned afterwards since clippy will modify
 the downloaded sources which can lead to unexpected results when running lintcheck again afterwards.

src/tools/clippy/util/gh-pages/index.html

@@ -363,7 +363,7 @@ <h4 class="list-group-item-heading">
 
             $scope.bySearch = function (lint, index, array) {
                 let searchStr = $scope.search;
-                // It can be `null` I haven't missed this value 
+                // It can be `null` I haven't missed this value
                 if (searchStr == null || searchStr.length < 3) {
                     return true;
                 }
@@ -375,7 +375,7 @@ <h4 class="list-group-item-heading">
                 }
 
                 // Search the description
-                // The use of `for`-loops instead of `foreach` enables us to return early 
+                // The use of `for`-loops instead of `foreach` enables us to return early
                 let terms = searchStr.split(" ");
                 for (index = 0; index < terms.length; index++) {
                     if (lint.id.indexOf(terms[index]) !== -1) {
@@ -463,7 +463,7 @@ <h4 class="list-group-item-heading">
 
         let children = themeMenu.children;
         for (let index = 0; index < children.length; index++) {
-            let child = children[index]; 
+            let child = children[index];
             child.addEventListener("click", function(e) {
                 setTheme(child.id, true);
             });
@@ -476,7 +476,7 @@ <h4 class="list-group-item-heading">
         let enableHighlight = false;
         let enableNight = false;
         let enableAyu = false;
-        
+
         if (theme == "ayu") {
             enableAyu = true;
         } else if (theme == "coal" || theme == "navy") {

src/tools/rustfmt/CHANGELOG.md

@@ -176,7 +176,7 @@ https://rust-lang.github.io/rustfmt/?version=v1.4.33&search=#imports_granularity
 
 ### Changed
 
-- Original comment indentation for trailing comments within an `if` is now taken into account when determining the indentation level to use for the trailing comment in formatted code. This does not modify any existing code formatted with rustfmt; it simply gives the programmer discretion to specify whether the comment is associated to the `else` block, or if the trailing comment is just a member of the `if` block. ([#1575](https://github.com/rust-lang/rustfmt/issues/1575), [#4120](https://github.com/rust-lang/rustfmt/issues/4120), [#4506](https://github.com/rust-lang/rustfmt/issues/4506)) 
+- Original comment indentation for trailing comments within an `if` is now taken into account when determining the indentation level to use for the trailing comment in formatted code. This does not modify any existing code formatted with rustfmt; it simply gives the programmer discretion to specify whether the comment is associated to the `else` block, or if the trailing comment is just a member of the `if` block. ([#1575](https://github.com/rust-lang/rustfmt/issues/1575), [#4120](https://github.com/rust-lang/rustfmt/issues/4120), [#4506](https://github.com/rust-lang/rustfmt/issues/4506))
 
 In this example the `// else comment` refers to the `else`:
 ```rust
@@ -213,7 +213,7 @@ if toks.eat_token(Token::Word("modify"))? && toks.eat_token(Token::Word("labels"
 
 ### Fixed
 - Formatting of empty blocks with attributes which only contained comments is no longer butchered.([#4475](https://github.com/rust-lang/rustfmt/issues/4475), [#4467](https://github.com/rust-lang/rustfmt/issues/4467), [#4452](https://github.com/rust-lang/rustfmt/issues/4452#issuecomment-705886282), [#4522](https://github.com/rust-lang/rustfmt/issues/4522))
-- Indentation of trailing comments in non-empty extern blocks is now correct. ([#4120](https://github.com/rust-lang/rustfmt/issues/4120#issuecomment-696491872)) 
+- Indentation of trailing comments in non-empty extern blocks is now correct. ([#4120](https://github.com/rust-lang/rustfmt/issues/4120#issuecomment-696491872))
 
 ### Install/Download Options
 - **crates.io package** - *pending*
@@ -297,7 +297,7 @@ if toks.eat_token(Token::Word("modify"))? && toks.eat_token(Token::Word("labels"
 - Fix aligning comments of different group
 - Fix flattening imports with a single `self`.
 - Fix removing attributes on function parameters.
-- Fix removing `impl` keyword from opaque type. 
+- Fix removing `impl` keyword from opaque type.
 
 ## [1.4.8] 2019-09-08
 
@@ -329,7 +329,7 @@ if toks.eat_token(Token::Word("modify"))? && toks.eat_token(Token::Word("labels"
 
 - Add `--message-format` command line option to `cargo-fmt`.
 - Add `-l,--files-with-diff` command line option to `rustfmt`.
-- Add `json` emit mode. 
+- Add `json` emit mode.
 
 ### Fixed
 
@@ -380,7 +380,7 @@ if toks.eat_token(Token::Word("modify"))? && toks.eat_token(Token::Word("labels"
 
 ### Added
 
-- Add new attribute `rustfmt::skip::attributes` to prevent rustfmt 
+- Add new attribute `rustfmt::skip::attributes` to prevent rustfmt
 from formatting an attribute #3665
 
 ### Changed

src/tools/rustfmt/Configurations.md

@@ -17,27 +17,27 @@ To enable unstable options, set `unstable_features = true` in `rustfmt.toml` or
 
 Below you find a detailed visual guide on all the supported configuration options of rustfmt:
 
-## `array_width` 
+## `array_width`
 
 Maximum width of an array literal before falling back to vertical formatting.
 
 - **Default value**: `60`
 - **Possible values**: any positive integer that is less than or equal to the value specified for [`max_width`](#max_width)
 - **Stable**: Yes
 
-By default this option is set as a percentage of [`max_width`](#max_width) provided by [`use_small_heuristics`](#use_small_heuristics), but a value set directly for `array_width` will take precedence. 
+By default this option is set as a percentage of [`max_width`](#max_width) provided by [`use_small_heuristics`](#use_small_heuristics), but a value set directly for `array_width` will take precedence.
 
 See also [`max_width`](#max_width) and [`use_small_heuristics`](#use_small_heuristics)
 
-## `attr_fn_like_width` 
+## `attr_fn_like_width`
 
 Maximum width of the args of a function-like attributes before falling back to vertical formatting.
 
 - **Default value**: `70`
 - **Possible values**: any positive integer that is less than or equal to the value specified for [`max_width`](#max_width)
 - **Stable**: Yes
 
-By default this option is set as a percentage of [`max_width`](#max_width) provided by [`use_small_heuristics`](#use_small_heuristics), but a value set directly for `attr_fn_like_width` will take precedence. 
+By default this option is set as a percentage of [`max_width`](#max_width) provided by [`use_small_heuristics`](#use_small_heuristics), but a value set directly for `attr_fn_like_width` will take precedence.
 
 See also [`max_width`](#max_width) and [`use_small_heuristics`](#use_small_heuristics)
 
@@ -295,15 +295,15 @@ where
 }
 ```
 
-## `chain_width` 
+## `chain_width`
 
 Maximum width of a chain to fit on one line.
 
 - **Default value**: `60`
 - **Possible values**: any positive integer that is less than or equal to the value specified for [`max_width`](#max_width)
 - **Stable**: Yes
 
-By default this option is set as a percentage of [`max_width`](#max_width) provided by [`use_small_heuristics`](#use_small_heuristics), but a value set directly for `chain_width` will take precedence. 
+By default this option is set as a percentage of [`max_width`](#max_width) provided by [`use_small_heuristics`](#use_small_heuristics), but a value set directly for `chain_width` will take precedence.
 
 See also [`max_width`](#max_width) and [`use_small_heuristics`](#use_small_heuristics)
 
@@ -751,15 +751,15 @@ trait Lorem {
 }
 ```
 
-## `fn_call_width` 
+## `fn_call_width`
 
 Maximum width of the args of a function call before falling back to vertical formatting.
 
 - **Default value**: `60`
 - **Possible values**: any positive integer that is less than or equal to the value specified for [`max_width`](#max_width)
 - **Stable**: Yes
 
-By default this option is set as a percentage of [`max_width`](#max_width) provided by [`use_small_heuristics`](#use_small_heuristics), but a value set directly for `fn_call_width` will take precedence. 
+By default this option is set as a percentage of [`max_width`](#max_width) provided by [`use_small_heuristics`](#use_small_heuristics), but a value set directly for `fn_call_width` will take precedence.
 
 See also [`max_width`](#max_width) and [`use_small_heuristics`](#use_small_heuristics)
 
@@ -2124,15 +2124,15 @@ Don't reformat out of line modules
 - **Possible values**: `true`, `false`
 - **Stable**: No (tracking issue: #3389)
 
-## `single_line_if_else_max_width` 
+## `single_line_if_else_max_width`
 
 Maximum line length for single line if-else expressions. A value of `0` (zero) results in if-else expressions always being broken into multiple lines. Note this occurs when `use_small_heuristics` is set to `Off`.
 
 - **Default value**: `50`
 - **Possible values**: any positive integer that is less than or equal to the value specified for [`max_width`](#max_width)
 - **Stable**: Yes
 
-By default this option is set as a percentage of [`max_width`](#max_width) provided by [`use_small_heuristics`](#use_small_heuristics), but a value set directly for `single_line_if_else_max_width` will take precedence. 
+By default this option is set as a percentage of [`max_width`](#max_width) provided by [`use_small_heuristics`](#use_small_heuristics), but a value set directly for `single_line_if_else_max_width` will take precedence.
 
 See also [`max_width`](#max_width) and [`use_small_heuristics`](#use_small_heuristics)
 
@@ -2313,27 +2313,27 @@ fn main() {
 
 See also: [`indent_style`](#indent_style).
 
-## `struct_lit_width` 
+## `struct_lit_width`
 
 Maximum width in the body of a struct literal before falling back to vertical formatting. A value of `0` (zero) results in struct literals always being broken into multiple lines. Note this occurs when `use_small_heuristics` is set to `Off`.
 
 - **Default value**: `18`
 - **Possible values**: any positive integer that is less than or equal to the value specified for [`max_width`](#max_width)
 - **Stable**: Yes
 
-By default this option is set as a percentage of [`max_width`](#max_width) provided by [`use_small_heuristics`](#use_small_heuristics), but a value set directly for `struct_lit_width` will take precedence. 
+By default this option is set as a percentage of [`max_width`](#max_width) provided by [`use_small_heuristics`](#use_small_heuristics), but a value set directly for `struct_lit_width` will take precedence.
 
 See also [`max_width`](#max_width), [`use_small_heuristics`](#use_small_heuristics), and [`struct_lit_single_line`](#struct_lit_single_line)
 
-## `struct_variant_width` 
+## `struct_variant_width`
 
 Maximum width in the body of a struct variant before falling back to vertical formatting. A value of `0` (zero) results in struct literals always being broken into multiple lines. Note this occurs when `use_small_heuristics` is set to `Off`.
 
 - **Default value**: `35`
 - **Possible values**: any positive integer that is less than or equal to the value specified for [`max_width`](#max_width)
 - **Stable**: Yes
 
-By default this option is set as a percentage of [`max_width`](#max_width) provided by [`use_small_heuristics`](#use_small_heuristics), but a value set directly for `struct_variant_width` will take precedence. 
+By default this option is set as a percentage of [`max_width`](#max_width) provided by [`use_small_heuristics`](#use_small_heuristics), but a value set directly for `struct_variant_width` will take precedence.
 
 See also [`max_width`](#max_width) and [`use_small_heuristics`](#use_small_heuristics)
 
@@ -2530,7 +2530,7 @@ fn main() {
 
 This option can be used to simplify the management and bulk updates of the granular width configuration settings ([`fn_call_width`](#fn_call_width), [`attr_fn_like_width`](#attr_fn_like_width), [`struct_lit_width`](#struct_lit_width), [`struct_variant_width`](#struct_variant_width), [`array_width`](#array_width), [`chain_width`](#chain_width), [`single_line_if_else_max_width`](#single_line_if_else_max_width)), that respectively control when formatted constructs are multi-lined/vertical based on width.
 
-Note that explicitly provided values for the width configuration settings take precedence and override the calculated values determined by `use_small_heuristics`. 
+Note that explicitly provided values for the width configuration settings take precedence and override the calculated values determined by `use_small_heuristics`.
 
 - **Default value**: `"Default"`
 - **Possible values**: `"Default"`, `"Off"`, `"Max"`
@@ -2595,7 +2595,7 @@ fn main() {
 ```
 
 #### `Off`:
-When `use_small_heuristics` is set to `Off`, the granular width settings are functionally disabled and ignored. See the documentation for the respective width config options for specifics. 
+When `use_small_heuristics` is set to `Off`, the granular width settings are functionally disabled and ignored. See the documentation for the respective width config options for specifics.
 
 ```rust
 enum Lorem {

src/tools/rustfmt/Contributing.md

@@ -38,7 +38,7 @@ colourised diff will be printed so that the offending line(s) can quickly be
 identified.
 
 Without explicit settings, the tests will be run using rustfmt's default
-configuration. It is possible to run a test using non-default settings in several 
+configuration. It is possible to run a test using non-default settings in several
 ways. Firstly, you can include configuration parameters in comments at the top
 of the file. For example: to use 3 spaces per tab, start your test with
 `// rustfmt-tab_spaces: 3`. Just remember that the comment is part of the input,

src/tools/rustfmt/Design.md

@@ -150,8 +150,8 @@ for its configuration.
 
 Our visitor keeps track of the desired current indent due to blocks (
 `block_indent`). Each `visit_*` method reformats code according to this indent,
-`config.comment_width()` and `config.max_width()`. Most reformatting that is done 
-in the `visit_*` methods is a bit hacky and is meant to be temporary until it can 
+`config.comment_width()` and `config.max_width()`. Most reformatting that is done
+in the `visit_*` methods is a bit hacky and is meant to be temporary until it can
 be done properly.
 
 There are a bunch of methods called `rewrite_*`. They do the bulk of the

src/tools/rustfmt/README.md

@@ -180,13 +180,13 @@ needs to be specified in `rustfmt.toml`, e.g., with `edition = "2018"`.
 
 * For things you do not want rustfmt to mangle, use `#[rustfmt::skip]`
 * To prevent rustfmt from formatting a macro or an attribute,
-  use `#[rustfmt::skip::macros(target_macro_name)]` or 
+  use `#[rustfmt::skip::macros(target_macro_name)]` or
   `#[rustfmt::skip::attributes(target_attribute_name)]`
 
   Example:
 
     ```rust
-    #![rustfmt::skip::attributes(custom_attribute)]   
+    #![rustfmt::skip::attributes(custom_attribute)]
 
     #[custom_attribute(formatting , here , should , be , Skipped)]
     #[rustfmt::skip::macros(html)]