fix some typos

CONTRIBUTING.md

@@ -421,7 +421,7 @@ Here are those same steps in detail:
 
 These instructions are specific to updating `rustfmt`, however they may apply
 to the other submodules as well. Please help by improving these instructions
-if you find any discrepencies or special cases that need to be addressed.
+if you find any discrepancies or special cases that need to be addressed.
 
 To update the `rustfmt` submodule, start by running the appropriate
 [`git submodule` command](https://git-scm.com/book/en/v2/Git-Tools-Submodules).

RELEASES.md

@@ -624,7 +624,7 @@ Misc
 ----
 
 - [rustdoc can now use pulldown-cmark with the `--enable-commonmark` flag][40338]
-- [Added rust-winbg script for better debugging on Windows][39983]
+- [Added rust-windbg script for better debugging on Windows][39983]
 - [Rust now uses the official cross compiler for NetBSD][40612]
 - [rustdoc now accepts `#` at the start of files][40828]
 - [Fixed jemalloc support for musl][41168]
@@ -1658,7 +1658,7 @@ Diagnostics
 -----------
 
 * [Replace macro backtraces with labeled local uses][35702]
-* [Improve error message for missplaced doc comments][33922]
+* [Improve error message for misplaced doc comments][33922]
 * [Buffer unix and lock windows to prevent message interleaving][35975]
 * [Update lifetime errors to specifically note temporaries][36171]
 * [Special case a few colors for Windows][36178]
@@ -1966,7 +1966,7 @@ Language
   useful](https://github.com/rust-lang/rust/pull/34908)
 * [`macro_rules!` `stmt` matchers correctly consume the entire contents when
   inside non-braces invocations](https://github.com/rust-lang/rust/pull/34886)
-* [Semicolons are properly required as statement delimeters inside
+* [Semicolons are properly required as statement delimiters inside
   `macro_rules!` invocations](https://github.com/rust-lang/rust/pull/34660)
 * [`cfg_attr` works on `path` attributes](https://github.com/rust-lang/rust/pull/34546)
 
@@ -2191,7 +2191,7 @@ Compatibility Notes
 * [`const`s and `static`s may not have unsized types](https://github.com/rust-lang/rust/pull/34443)
 * [The new follow-set rules that place restrictions on `macro_rules!`
   in order to ensure syntax forward-compatibility have been enabled](https://github.com/rust-lang/rust/pull/33982)
-  This was an [ammendment to RFC 550](https://github.com/rust-lang/rfcs/pull/1384),
+  This was an [amendment to RFC 550](https://github.com/rust-lang/rfcs/pull/1384),
   and has been a warning since 1.10.
 * [`cfg` attribute process has been refactored to fix various bugs](https://github.com/rust-lang/rust/pull/33706).
   This causes breakage in some corner cases.
@@ -3348,7 +3348,7 @@ Libraries
 * `FromStr` is [implemented for `SockAddrV4` and `SockAddrV6`][1.5s].
 * There are now `From` conversions [between floating point
   types][1.5f] where the conversions are lossless.
-* Thera are now `From` conversions [between integer types][1.5i] where
+* There are now `From` conversions [between integer types][1.5i] where
   the conversions are lossless.
 * [`fs::Metadata` implements `Clone`][1.5fs].
 * The `parse` method [accepts a leading "+" when parsing
@@ -3548,7 +3548,7 @@ Libraries
 * [`IntoIterator` is implemented for references to `Option` and
   `Result`][into2].
 * [`HashMap` and `HashSet` implement `Extend<&T>` where `T:
-  Copy`][ext] as part of [RFC 839]. This will cause type inferance
+  Copy`][ext] as part of [RFC 839]. This will cause type inference
   breakage in rare situations.
 * [`BinaryHeap` implements `Debug`][bh2].
 * [`Borrow` and `BorrowMut` are implemented for fixed-size
@@ -3559,7 +3559,7 @@ Libraries
 * `&mut T` where `T: std::fmt::Write` [also implements
   `std::fmt::Write`][mutw].
 * [A stable regression in `VecDeque::push_back` and other
-  capicity-altering methods that caused panics for zero-sized types
+  capacity-altering methods that caused panics for zero-sized types
   was fixed][vd].
 * [Function pointers implement traits for up to 12 parameters][fp2].
 
@@ -3746,7 +3746,7 @@ Libraries
   [better for long data][sh].
 * [`AtomicPtr`] implements [`Send`].
 * The [`read_to_end`] implementations for [`Stdin`] and [`File`]
-  are now [specialized to use uninitalized buffers for increased
+  are now [specialized to use uninitialized buffers for increased
   performance][rte].
 * Lifetime parameters of foreign functions [are now resolved
   properly][f].
@@ -3875,7 +3875,7 @@ Highlights
 * This is the first release with [experimental support for linking
   with the MSVC linker and lib C on Windows (instead of using the GNU
   variants via MinGW)][win]. It is yet recommended only for the most
-  intrepid Rusticians.
+  intrepid Rustaceans.
 * Benchmark compilations are showing a 30% improvement in
   bootstrapping over 1.1.
 
@@ -4741,7 +4741,7 @@ Version 0.11.0 (2014-07-02)
   * Libraries
     * The standard library is now a "facade" over a number of underlying
       libraries. This means that development on the standard library should
-      be speeder due to smaller crates, as well as a clearer line between
+      be speedier due to smaller crates, as well as a clearer line between
       all dependencies.
     * A new library, libcore, lives under the standard library's facade
       which is Rust's "0-assumption" library, suitable for embedded and

src/bootstrap/job.rs

@@ -185,7 +185,7 @@ pub unsafe fn setup(build: &mut Build) {
                             0, FALSE, DUPLICATE_SAME_ACCESS);
 
     // If this failed, well at least we tried! An example of DuplicateHandle
-    // failing in the past has been when the wrong python2 package spawed this
+    // failing in the past has been when the wrong python2 package spawned this
     // build system (e.g. the `python2` package in MSYS instead of
     // `mingw-w64-x86_64-python2`. Not sure why it failed, but the "failure
     // mode" here is that we only clean everything up when the build system

src/bootstrap/sanity.rs

@@ -78,7 +78,7 @@ pub fn check(build: &mut Build) {
     }
 
     let mut cmd_finder = Finder::new();
-    // If we've got a git directory we're gona need git to update
+    // If we've got a git directory we're gonna need git to update
     // submodules and learn about various other aspects.
     if build.rust_info.is_git() {
         cmd_finder.must_have("git");

src/ci/docker/README.md

@@ -36,14 +36,14 @@ a Docker image.
 
     1. Select the "default" virtual machine inside VirtualBox, then click
         "Settings"
-    2. Go to "Shared Folders", click "Add shared foldrer" (the folder icon with
+    2. Go to "Shared Folders", click "Add shared folder" (the folder icon with
         a plus sign), fill in the following information, then click "OK":
 
         * Folder path: `E:\rust`
         * Folder name: `e/rust`
         * Read-only: ☐ *unchecked*
         * Auto-mount: ☑ *checked*
-        * Make Permanant: ☑ *checked*
+        * Make Permanent: ☑ *checked*
 
 3. VirtualBox might not support creating symbolic links inside a shared folder
     by default. You can enable it manually by running these from `cmd.exe`:

src/ci/docker/dist-x86_64-netbsd/build-netbsd-toolchain.sh

@@ -52,7 +52,7 @@ curl $URL/2017-03-17-netbsd-comp.tgz | \
 cd usr/src
 
 # The options, in order, do the following
-# * this is an unpriviledged build
+# * this is an unprivileged build
 # * output to a predictable location
 # * disable various uneeded stuff
 MKUNPRIVED=yes TOOLDIR=/x-tools/x86_64-unknown-netbsd \

src/ci/run.sh

@@ -37,7 +37,7 @@ if [ "$DIST_SRC" = "" ]; then
 fi
 
 # If we're deploying artifacts then we set the release channel, otherwise if
-# we're not deploying then we want to be sure to enable all assertions becauase
+# we're not deploying then we want to be sure to enable all assertions because
 # we'll be running tests
 #
 # FIXME: need a scheme for changing this `nightly` value to `beta` and `stable`

src/doc/rustdoc/src/command-line-arguments.md

@@ -279,7 +279,7 @@ $ rustdoc README.md --markdown-playground-url https://play.rust-lang.org/
 ```
 
 When rendering a Markdown file, this flag gives the base URL of the Rust
-Playround, to use for generating `Run` buttons.
+Playground, to use for generating `Run` buttons.
 
 
 ## `--markdown-no-toc`: don't generate a table of contents
@@ -291,7 +291,7 @@ $ rustdoc README.md --markdown-no-toc
 ```
 
 When generating documentation from a Markdown file, by default, `rustdoc` will
-generate a table of contents. This flag supresses that, and no TOC will be
+generate a table of contents. This flag suppresses that, and no TOC will be
 generated.
 
 

src/doc/rustdoc/src/documentation-tests.md

@@ -50,7 +50,7 @@ running them. Here's the full algorithm rustdoc uses to preprocess examples:
 5. Finally, if the example does not contain `fn main`, the remainder of the
    text is wrapped in `fn main() { your_code }`.
 
-For more about that caveat in rule 4, see "Documeting Macros" below.
+For more about that caveat in rule 4, see "Documenting Macros" below.
 
 ## Hiding portions of the example
 

src/doc/unstable-book/src/language-features/optin-builtin-traits.md

@@ -10,7 +10,7 @@ The `optin_builtin_traits` feature gate allows you to define auto traits.
 
 Auto traits, like [`Send`] or [`Sync`] in the standard library, are marker traits
 that are automatically implemented for every type, unless the type, or a type it contains, 
-has explictly opted out via a negative impl. 
+has explicitly opted out via a negative impl. 
 
 [`Send`]: https://doc.rust-lang.org/std/marker/trait.Send.html
 [`Sync`]: https://doc.rust-lang.org/std/marker/trait.Sync.html

src/doc/unstable-book/src/language-features/unboxed-closures.md

@@ -9,7 +9,7 @@ See Also: [`fn_traits`](library-features/fn-traits.html)
 ----
 
 The `unboxed_closures` feature allows you to write functions using the `"rust-call"` ABI,
-required for implmenting the [`Fn*`] family of traits. `"rust-call"` functions must have 
+required for implementing the [`Fn*`] family of traits. `"rust-call"` functions must have 
 exactly one (non self) argument, a tuple representing the argument list.
 
 [`Fn*`]: https://doc.rust-lang.org/std/ops/trait.Fn.html

src/etc/installer/exe/modpath.iss

@@ -144,7 +144,7 @@ begin
 	end;
 end;
 
-// Split a string into an array using passed delimeter
+// Split a string into an array using passed delimiter
 procedure Explode(var Dest: TArrayOfString; Text: String; Separator: String);
 var
 	i: Integer;

src/liballoc/fmt.rs

@@ -536,7 +536,7 @@ use string;
 /// assert_eq!(s, "Hello, world!");
 /// ```
 ///
-/// Please note that using [`format!`] might be preferrable.
+/// Please note that using [`format!`] might be preferable.
 /// Example:
 ///
 /// ```

src/liballoc/macros.rs

@@ -72,7 +72,7 @@ macro_rules! vec {
 
 /// Creates a `String` using interpolation of runtime expressions.
 ///
-/// The first argument `format!` recieves is a format string.  This must be a string
+/// The first argument `format!` receives is a format string.  This must be a string
 /// literal.  The power of the formatting string is in the `{}`s contained.
 ///
 /// Additional parameters passed to `format!` replace the `{}`s within the

src/liballoc/rc.rs

@@ -346,7 +346,7 @@ impl<T> Rc<T> {
             unsafe {
                 let val = ptr::read(&*this); // copy the contained object
 
-                // Indicate to Weaks that they can't be promoted by decrememting
+                // Indicate to Weaks that they can't be promoted by decrementing
                 // the strong count, and then remove the implicit "strong weak"
                 // pointer while also handling drop logic by just crafting a
                 // fake Weak.

src/liballoc/string.rs

@@ -596,7 +596,7 @@ impl String {
     /// Decode a UTF-16 encoded vector `v` into a `String`, returning [`Err`]
     /// if `v` contains any invalid data.
     ///
-    /// [`Err`]: ../../std/result/enum.Result.htlm#variant.Err
+    /// [`Err`]: ../../std/result/enum.Result.html#variant.Err
     ///
     /// # Examples
     ///

src/liballoc/tests/str.rs

@@ -1427,12 +1427,12 @@ mod pattern {
         Reject(6, 7),
         Match (7, 7),
     ]);
-    make_test!(str_searcher_mulibyte_haystack, " ", "├──", [
+    make_test!(str_searcher_multibyte_haystack, " ", "├──", [
         Reject(0, 3),
         Reject(3, 6),
         Reject(6, 9),
     ]);
-    make_test!(str_searcher_empty_needle_mulibyte_haystack, "", "├──", [
+    make_test!(str_searcher_empty_needle_multibyte_haystack, "", "├──", [
         Match (0, 0),
         Reject(0, 3),
         Match (3, 3),
@@ -1455,7 +1455,7 @@ mod pattern {
         Match (5, 6),
         Reject(6, 7),
     ]);
-    make_test!(char_searcher_mulibyte_haystack, ' ', "├──", [
+    make_test!(char_searcher_multibyte_haystack, ' ', "├──", [
         Reject(0, 3),
         Reject(3, 6),
         Reject(6, 9),

src/liballoc/vec.rs

@@ -1089,7 +1089,7 @@ impl<T> Vec<T> {
         // Memory safety
         //
         // When the Drain is first created, it shortens the length of
-        // the source vector to make sure no uninitalized or moved-from elements
+        // the source vector to make sure no uninitialized or moved-from elements
         // are accessible at all if the Drain's destructor never gets to run.
         //
         // Drain will ptr::read out the values to remove.

src/libbacktrace/configure

@@ -14584,7 +14584,7 @@ func_basename ()
 #             to NONDIR_REPLACEMENT.
 #             value returned in "$func_dirname_result"
 #   basename: Compute filename of FILE.
-#             value retuned in "$func_basename_result"
+#             value returned in "$func_basename_result"
 # Implementation must be kept synchronized with func_dirname
 # and func_basename. For efficiency, we do not delegate to
 # those functions but instead duplicate the functionality here.

src/libbacktrace/ltmain.sh

@@ -177,7 +177,7 @@ basename="s,^.*/,,"
 #             to NONDIR_REPLACEMENT.
 #             value returned in "$func_dirname_result"
 #   basename: Compute filename of FILE.
-#             value retuned in "$func_basename_result"
+#             value returned in "$func_basename_result"
 # Implementation must be kept synchronized with func_dirname
 # and func_basename. For efficiency, we do not delegate to
 # those functions but instead duplicate the functionality here.

src/libcore/fmt/mod.rs

@@ -952,7 +952,7 @@ pub trait UpperExp {
 /// assert_eq!(output, "Hello world!");
 /// ```
 ///
-/// Please note that using [`write!`] might be preferrable. Example:
+/// Please note that using [`write!`] might be preferable. Example:
 ///
 /// ```
 /// use std::fmt::Write;

src/librustc_data_structures/array_vec.rs

@@ -111,7 +111,7 @@ impl<A: Array> ArrayVec<A> {
         // Memory safety
         //
         // When the Drain is first created, it shortens the length of
-        // the source vector to make sure no uninitalized or moved-from elements
+        // the source vector to make sure no uninitialized or moved-from elements
         // are accessible at all if the Drain's destructor never gets to run.
         //
         // Drain will ptr::read out the values to remove.

src/libstd/path.rs

@@ -3752,7 +3752,7 @@ mod tests {
     }
 
     #[test]
-    fn test_eq_recievers() {
+    fn test_eq_receivers() {
         use borrow::Cow;
 
         let borrowed: &Path = Path::new("foo/bar");

src/test/mir-opt/issue-41697.rs

@@ -12,7 +12,7 @@
 // artificial cycles: during type-checking, we had to get the MIR for
 // the constant expressions in `[u8; 2]`, which in turn would trigger
 // an attempt to get the item-path, which in turn would request the
-// types of the impl, which would trigger a cycle. We supressed this
+// types of the impl, which would trigger a cycle. We suppressed this
 // cycle now by forcing mir-dump to avoid asking for types of an impl.
 
 #![feature(rustc_attrs)]