libstd/libcore: fix various typos

src/libcore/convert/mod.rs

@@ -674,7 +674,7 @@ impl AsRef<str> for str {
 ///
 ///
 /// However there is one case where `!` syntax can be used
-/// before `!` is stabilized as a full-fleged type: in the position of a function’s return type.
+/// before `!` is stabilized as a full-fledged type: in the position of a function’s return type.
 /// Specifically, it is possible implementations for two different function pointer types:
 ///
 /// ```

src/libcore/hash/sip.rs

@@ -43,7 +43,7 @@ struct SipHasher24 {
 ///
 /// SipHash is a general-purpose hashing function: it runs at a good
 /// speed (competitive with Spooky and City) and permits strong _keyed_
-/// hashing. This lets you key your hashtables from a strong RNG, such as
+/// hashing. This lets you key your hash tables from a strong RNG, such as
 /// [`rand::os::OsRng`](https://doc.rust-lang.org/rand/rand/os/struct.OsRng.html).
 ///
 /// Although the SipHash algorithm is considered to be generally strong,

src/libcore/intrinsics.rs

@@ -15,7 +15,7 @@
 //!
 //! If an intrinsic is supposed to be used from a `const fn` with a `rustc_const_stable` attribute,
 //! the intrinsic's attribute must be `rustc_const_stable`, too. Such a change should not be done
-//! without T-lang consulation, because it bakes a feature into the language that cannot be
+//! without T-lang consultation, because it bakes a feature into the language that cannot be
 //! replicated in user code without compiler support.
 //!
 //! # Volatiles
@@ -993,7 +993,7 @@ extern "rust-intrinsic" {
     /// [`std::mem::align_of`](../../std/mem/fn.align_of.html).
     #[rustc_const_stable(feature = "const_min_align_of", since = "1.40.0")]
     pub fn min_align_of<T>() -> usize;
-    /// The prefered alignment of a type.
+    /// The preferred alignment of a type.
     ///
     /// This intrinsic does not have a stable counterpart.
     #[rustc_const_unstable(feature = "const_pref_align_of", issue = "none")]
@@ -1245,14 +1245,14 @@ extern "rust-intrinsic" {
     ///     assert!(mid <= len);
     ///     unsafe {
     ///         let slice2 = mem::transmute::<&mut [T], &mut [T]>(slice);
-    ///         // first: transmute is not typesafe; all it checks is that T and
+    ///         // first: transmute is not type safe; all it checks is that T and
     ///         // U are of the same size. Second, right here, you have two
     ///         // mutable references pointing to the same memory.
     ///         (&mut slice[0..mid], &mut slice2[mid..len])
     ///     }
     /// }
     ///
-    /// // This gets rid of the typesafety problems; `&mut *` will *only* give
+    /// // This gets rid of the type safety problems; `&mut *` will *only* give
     /// // you an `&mut T` from an `&mut T` or `*mut T`.
     /// fn split_at_mut_casts<T>(slice: &mut [T], mid: usize)
     ///                          -> (&mut [T], &mut [T]) {

src/libcore/iter/traits/iterator.rs

@@ -1082,7 +1082,7 @@ pub trait Iterator {
     /// let vec = iter.collect::<Vec<_>>();
     ///
     /// // We have more elements which could fit in u32 (4, 5), but `map_while` returned `None` for `-3`
-    /// // (as the `predicate` returned `None`) and `collect` stops at the first `None` entcountered.
+    /// // (as the `predicate` returned `None`) and `collect` stops at the first `None` encountered.
     /// assert_eq!(vec, vec![0, 1, 2]);
     /// ```
     ///

src/libcore/macros/mod.rs

@@ -1044,7 +1044,7 @@ pub(crate) mod builtin {
         };
     }
 
-    /// Includes a utf8-encoded file as a string.
+    /// Includes a UTF-8 encoded file as a string.
     ///
     /// The file is located relative to the current file (similarly to how
     /// modules are found). The provided path is interpreted in a platform-specific

src/libcore/mem/mod.rs

@@ -348,11 +348,11 @@ pub fn size_of_val<T: ?Sized>(val: &T) -> usize {
 ///
 /// - If `T` is `Sized`, this function is always safe to call.
 /// - If the unsized tail of `T` is:
-///     - a [slice], then the length of the slice tail must be an intialized
+///     - a [slice], then the length of the slice tail must be an initialized
 ///       integer, and the size of the *entire value*
 ///       (dynamic tail length + statically sized prefix) must fit in `isize`.
 ///     - a [trait object], then the vtable part of the pointer must point
-///       to a valid vtable acquired by an unsizing coersion, and the size
+///       to a valid vtable acquired by an unsizing coercion, and the size
 ///       of the *entire value* (dynamic tail length + statically sized prefix)
 ///       must fit in `isize`.
 ///     - an (unstable) [extern type], then this function is always safe to
@@ -483,11 +483,11 @@ pub fn align_of_val<T: ?Sized>(val: &T) -> usize {
 ///
 /// - If `T` is `Sized`, this function is always safe to call.
 /// - If the unsized tail of `T` is:
-///     - a [slice], then the length of the slice tail must be an intialized
+///     - a [slice], then the length of the slice tail must be an initialized
 ///       integer, and the size of the *entire value*
 ///       (dynamic tail length + statically sized prefix) must fit in `isize`.
 ///     - a [trait object], then the vtable part of the pointer must point
-///       to a valid vtable acquired by an unsizing coersion, and the size
+///       to a valid vtable acquired by an unsizing coercion, and the size
 ///       of the *entire value* (dynamic tail length + statically sized prefix)
 ///       must fit in `isize`.
 ///     - an (unstable) [extern type], then this function is always safe to

src/libcore/num/f64.rs

@@ -687,7 +687,7 @@ impl f64 {
     /// signaling NaNs on MIPS are quiet NaNs on x86, and vice-versa.
     ///
     /// Rather than trying to preserve signaling-ness cross-platform, this
-    /// implementation favours preserving the exact bits. This means that
+    /// implementation favors preserving the exact bits. This means that
     /// any payloads encoded in NaNs will be preserved even if the result of
     /// this method is sent over the network from an x86 machine to a MIPS one.
     ///
@@ -696,7 +696,7 @@ impl f64 {
     ///
     /// If the input isn't NaN, then there is no portability concern.
     ///
-    /// If you don't care about signalingness (very likely), then there is no
+    /// If you don't care about signaling-ness (very likely), then there is no
     /// portability concern.
     ///
     /// Note that this function is distinct from `as` casting, which attempts to

src/libcore/pin.rs

@@ -128,7 +128,7 @@
 //!
 //! Crucially, we have to be able to rely on [`drop`] being called. If an element
 //! could be deallocated or otherwise invalidated without calling [`drop`], the pointers into it
-//! from its neighbouring elements would become invalid, which would break the data structure.
+//! from its neighboring elements would become invalid, which would break the data structure.
 //!
 //! Therefore, pinning also comes with a [`drop`]-related guarantee.
 //!

src/libcore/ptr/const_ptr.rs

@@ -331,13 +331,13 @@ impl<T: ?Sized> *const T {
         intrinsics::ptr_guaranteed_eq(self, other)
     }
 
-    /// Returns whether two pointers are guaranteed to be inequal.
+    /// Returns whether two pointers are guaranteed to be unequal.
     ///
     /// At runtime this function behaves like `self != other`.
     /// However, in some contexts (e.g., compile-time evaluation),
     /// it is not always possible to determine the inequality of two pointers, so this function may
-    /// spuriously return `false` for pointers that later actually turn out to be inequal.
-    /// But when it returns `true`, the pointers are guaranteed to be inequal.
+    /// spuriously return `false` for pointers that later actually turn out to be unequal.
+    /// But when it returns `true`, the pointers are guaranteed to be unequal.
     ///
     /// This function is the mirror of [`guaranteed_eq`], but not its inverse. There are pointer
     /// comparisons for which both functions return `false`.

src/libcore/ptr/mut_ptr.rs

@@ -312,13 +312,13 @@ impl<T: ?Sized> *mut T {
         intrinsics::ptr_guaranteed_eq(self as *const _, other as *const _)
     }
 
-    /// Returns whether two pointers are guaranteed to be inequal.
+    /// Returns whether two pointers are guaranteed to be unequal.
     ///
     /// At runtime this function behaves like `self != other`.
     /// However, in some contexts (e.g., compile-time evaluation),
     /// it is not always possible to determine the inequality of two pointers, so this function may
-    /// spuriously return `false` for pointers that later actually turn out to be inequal.
-    /// But when it returns `true`, the pointers are guaranteed to be inequal.
+    /// spuriously return `false` for pointers that later actually turn out to be unequal.
+    /// But when it returns `true`, the pointers are guaranteed to be unequal.
     ///
     /// This function is the mirror of [`guaranteed_eq`], but not its inverse. There are pointer
     /// comparisons for which both functions return `false`.

src/libcore/ptr/non_null.rs

@@ -171,7 +171,7 @@ impl<T> NonNull<[T]> {
     /// assert_eq!(unsafe { slice.as_ref()[2] }, 7);
     /// ```
     ///
-    /// (Note that this example artifically demonstrates a use of this method,
+    /// (Note that this example artificially demonstrates a use of this method,
     /// but `let slice = NonNull::from(&x[..]);` would be a better way to write code like this.)
     #[unstable(feature = "nonnull_slice_from_raw_parts", issue = "71941")]
     #[rustc_const_unstable(feature = "const_nonnull_slice_from_raw_parts", issue = "71941")]

src/libstd/f32.rs

@@ -1500,7 +1500,7 @@ mod tests {
         assert_approx_eq!(f32::from_bits(0x44a72000), 1337.0);
         assert_approx_eq!(f32::from_bits(0xc1640000), -14.25);
 
-        // Check that NaNs roundtrip their bits regardless of signalingness
+        // Check that NaNs roundtrip their bits regardless of signaling-ness
         // 0xA is 0b1010; 0x5 is 0b0101 -- so these two together clobbers all the mantissa bits
         let masked_nan1 = f32::NAN.to_bits() ^ 0x002A_AAAA;
         let masked_nan2 = f32::NAN.to_bits() ^ 0x0055_5555;

src/libstd/f64.rs

@@ -1523,7 +1523,7 @@ mod tests {
         assert_approx_eq!(f64::from_bits(0x4094e40000000000), 1337.0);
         assert_approx_eq!(f64::from_bits(0xc02c800000000000), -14.25);
 
-        // Check that NaNs roundtrip their bits regardless of signalingness
+        // Check that NaNs roundtrip their bits regardless of signaling-ness
         // 0xA is 0b1010; 0x5 is 0b0101 -- so these two together clobbers all the mantissa bits
         let masked_nan1 = f64::NAN.to_bits() ^ 0x000A_AAAA_AAAA_AAAA;
         let masked_nan2 = f64::NAN.to_bits() ^ 0x0005_5555_5555_5555;

src/libstd/os/linux/fs.rs

@@ -285,7 +285,7 @@ pub trait MetadataExt {
     /// ```
     #[stable(feature = "metadata_ext2", since = "1.8.0")]
     fn st_ctime_nsec(&self) -> i64;
-    /// Returns the "preferred" blocksize for efficient filesystem I/O.
+    /// Returns the "preferred" block size for efficient filesystem I/O.
     ///
     /// # Examples
     ///

src/libstd/os/redox/fs.rs

@@ -289,7 +289,7 @@ pub trait MetadataExt {
     /// ```
     #[stable(feature = "metadata_ext2", since = "1.8.0")]
     fn st_ctime_nsec(&self) -> i64;
-    /// Returns the "preferred" blocksize for efficient filesystem I/O.
+    /// Returns the "preferred" block size for efficient filesystem I/O.
     ///
     /// # Examples
     ///

src/libstd/sys/sgx/fd.rs

@@ -19,7 +19,7 @@ impl FileDesc {
         self.fd
     }
 
-    /// Extracts the actual filedescriptor without closing it.
+    /// Extracts the actual file descriptor without closing it.
     pub fn into_raw(self) -> Fd {
         let fd = self.fd;
         mem::forget(self);

src/libstd/sys/unix/ext/fs.rs

@@ -624,7 +624,7 @@ pub trait MetadataExt {
     /// ```
     #[stable(feature = "metadata_ext", since = "1.1.0")]
     fn ctime_nsec(&self) -> i64;
-    /// Returns the blocksize for filesystem I/O.
+    /// Returns the block size for filesystem I/O.
     ///
     /// # Examples
     ///
@@ -635,7 +635,7 @@ pub trait MetadataExt {
     ///
     /// fn main() -> io::Result<()> {
     ///     let meta = fs::metadata("some_file")?;
-    ///     let blocksize = meta.blksize();
+    ///     let block_size = meta.blksize();
     ///     Ok(())
     /// }
     /// ```

src/libstd/sys/vxworks/fd.rs

@@ -29,7 +29,7 @@ impl FileDesc {
         self.fd
     }
 
-    /// Extracts the actual filedescriptor without closing it.
+    /// Extracts the actual file descriptor without closing it.
     pub fn into_raw(self) -> c_int {
         let fd = self.fd;
         mem::forget(self);

src/libstd/sys/wasi/fs.rs

@@ -597,14 +597,14 @@ fn open_at(fd: &WasiFd, path: &Path, opts: &OpenOptions) -> io::Result<File> {
 ///
 /// WASI has no fundamental capability to do this. All syscalls and operations
 /// are relative to already-open file descriptors. The C library, however,
-/// manages a map of preopened file descriptors to their path, and then the C
+/// manages a map of pre-opened file descriptors to their path, and then the C
 /// library provides an API to look at this. In other words, when you want to
 /// open a path `p`, you have to find a previously opened file descriptor in a
 /// global table and then see if `p` is relative to that file descriptor.
 ///
 /// This function, if successful, will return two items:
 ///
-/// * The first is a `ManuallyDrop<WasiFd>`. This represents a preopened file
+/// * The first is a `ManuallyDrop<WasiFd>`. This represents a pre-opened file
 ///   descriptor which we don't have ownership of, but we can use. You shouldn't
 ///   actually drop the `fd`.
 ///
@@ -619,15 +619,15 @@ fn open_at(fd: &WasiFd, path: &Path, opts: &OpenOptions) -> io::Result<File> {
 /// appropriate rights for performing `rights` actions.
 ///
 /// Note that this can fail if `p` doesn't look like it can be opened relative
-/// to any preopened file descriptor.
+/// to any pre-opened file descriptor.
 fn open_parent(p: &Path) -> io::Result<(ManuallyDrop<WasiFd>, PathBuf)> {
     let p = CString::new(p.as_os_str().as_bytes())?;
     unsafe {
         let mut ret = ptr::null();
         let fd = __wasilibc_find_relpath(p.as_ptr(), &mut ret);
         if fd == -1 {
             let msg = format!(
-                "failed to find a preopened file descriptor \
+                "failed to find a pre-opened file descriptor \
                  through which {:?} could be opened",
                 p
             );