Rollup merge of rust-lang#129804 - ranger-ross:fixed-documentation-typos, r=Noratrieb

Fixed some typos in the standard library documentation/comments

I spent some time to fix a few typos in `library/std` and `library/core`

Author: matthiaskrgr

alloc/src/collections/btree/map.rs

@@ -3302,7 +3302,7 @@ impl<'a, K: Ord, V, A: Allocator + Clone> CursorMutKey<'a, K, V, A> {
         Some(kv)
     }
 
-    /// Removes the precending element from the `BTreeMap`.
+    /// Removes the preceding element from the `BTreeMap`.
     ///
     /// The element that was removed is returned. The cursor position is
     /// unchanged (after the removed element).
@@ -3408,7 +3408,7 @@ impl<'a, K: Ord, V, A: Allocator + Clone> CursorMut<'a, K, V, A> {
         self.inner.remove_next()
     }
 
-    /// Removes the precending element from the `BTreeMap`.
+    /// Removes the preceding element from the `BTreeMap`.
     ///
     /// The element that was removed is returned. The cursor position is
     /// unchanged (after the removed element).

alloc/src/collections/btree/set.rs

@@ -2298,7 +2298,7 @@ impl<'a, T: Ord, A: Allocator + Clone> CursorMut<'a, T, A> {
         self.inner.remove_next().map(|(k, _)| k)
     }
 
-    /// Removes the precending element from the `BTreeSet`.
+    /// Removes the preceding element from the `BTreeSet`.
     ///
     /// The element that was removed is returned. The cursor position is
     /// unchanged (after the removed element).
@@ -2384,7 +2384,7 @@ impl<'a, T: Ord, A: Allocator + Clone> CursorMutKey<'a, T, A> {
         self.inner.remove_next().map(|(k, _)| k)
     }
 
-    /// Removes the precending element from the `BTreeSet`.
+    /// Removes the preceding element from the `BTreeSet`.
     ///
     /// The element that was removed is returned. The cursor position is
     /// unchanged (after the removed element).

core/src/array/mod.rs

@@ -37,7 +37,7 @@ pub use iter::IntoIter;
 ///
 /// # Example
 ///
-/// Creating muliple copies of a `String`:
+/// Creating multiple copies of a `String`:
 /// ```rust
 /// #![feature(array_repeat)]
 ///

core/src/future/async_drop.rs

@@ -157,7 +157,7 @@ async unsafe fn surface_drop_in_place<T: Drop + ?Sized>(ptr: *mut T) {
     unsafe { crate::ops::fallback_surface_drop(&mut *ptr) }
 }
 
-/// Wraps a future to continue outputing `Poll::Ready(())` once after
+/// Wraps a future to continue outputting `Poll::Ready(())` once after
 /// wrapped future completes by returning `Poll::Ready(())` on poll. This
 /// is useful for constructing async destructors to guarantee this
 /// "fuse" property
@@ -223,7 +223,7 @@ where
 /// # Safety
 ///
 /// Same as `async_drop_in_place` except is lazy to avoid creating
-/// multiple mutable refernces.
+/// multiple mutable references.
 #[lang = "async_drop_defer"]
 async unsafe fn defer<T: ?Sized>(to_drop: *mut T) {
     // SAFETY: same safety requirements as `async_drop_in_place`

core/src/intrinsics/mir.rs

@@ -310,7 +310,7 @@ define!(
 );
 define!(
     "mir_unwind_cleanup",
-    /// An unwind action that continues execution in a given basic blok.
+    /// An unwind action that continues execution in a given basic block.
     fn UnwindCleanup(goto: BasicBlock) -> UnwindActionArg
 );
 

core/src/macros/mod.rs

@@ -1072,7 +1072,7 @@ pub(crate) mod builtin {
     /// If the environment variable is not defined, then a compilation error
     /// will be emitted. To not emit a compile error, use the [`option_env!`]
     /// macro instead. A compilation error will also be emitted if the
-    /// environment variable is not a vaild Unicode string.
+    /// environment variable is not a valid Unicode string.
     ///
     /// # Examples
     ///

std/build.rs

@@ -142,7 +142,7 @@ fn main() {
 
     // Configure platforms that have reliable basics but may have unreliable math.
 
-    // LLVM is currenlty adding missing routines, <https://github.com/llvm/llvm-project/issues/93566>
+    // LLVM is currently adding missing routines, <https://github.com/llvm/llvm-project/issues/93566>
     let has_reliable_f16_math = has_reliable_f16
         && match (target_arch.as_str(), target_os.as_str()) {
             // FIXME: Disabled on Miri as the intrinsics are not implemented yet.

std/src/io/tests.rs

@@ -738,7 +738,7 @@ fn read_buf_full_read() {
 #[test]
 // Miri does not support signalling OOM
 #[cfg_attr(miri, ignore)]
-// 64-bit only to be sure the allocator will fail fast on an impossible to satsify size
+// 64-bit only to be sure the allocator will fail fast on an impossible to satisfy size
 #[cfg(target_pointer_width = "64")]
 fn try_oom_error() {
     let mut v = Vec::<u8>::new();

std/src/rt.rs

@@ -146,7 +146,7 @@ fn lang_start_internal(
             rtabort!("drop of the panic payload panicked");
         });
     panic::catch_unwind(cleanup).map_err(rt_abort)?;
-    // Guard against multple threads calling `libc::exit` concurrently.
+    // Guard against multiple threads calling `libc::exit` concurrently.
     // See the documentation for `unique_thread_exit` for more information.
     panic::catch_unwind(|| crate::sys::exit_guard::unique_thread_exit()).map_err(rt_abort)?;
     ret_code

std/src/sync/mpmc/list.rs

@@ -551,7 +551,7 @@ impl<T> Channel<T> {
 
         let mut head = self.head.index.load(Ordering::Acquire);
         // The channel may be uninitialized, so we have to swap to avoid overwriting any sender's attempts
-        // to initalize the first block before noticing that the receivers disconnected. Late allocations
+        // to initialize the first block before noticing that the receivers disconnected. Late allocations
         // will be deallocated by the sender in Drop.
         let mut block = self.head.block.swap(ptr::null_mut(), Ordering::AcqRel);