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Rollup merge of #78716 - est31:array_traits, r=Dylan-DPC

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Array trait impl comment/doc fixes

Two small doc/comment fixes regarding trait implementations on arrays.
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Mara Bos 2020-11-05 10:29:46 +01:00 • committed by GitHub
commit 43e1b58bcc
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2 changed files with 6 additions and 8 deletions
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9
library/std/src/primitive_docs.rs
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@ -491,6 +491,8 @@ mod prim_pointer {}
///
/// Arrays of *any* size implement the following traits if the element type allows it:
///
/// - [`Copy`]
/// - [`Clone`]
/// - [`Debug`]
/// - [`IntoIterator`] (implemented for `&[T; N]` and `&mut [T; N]`)
/// - [`PartialEq`], [`PartialOrd`], [`Eq`], [`Ord`]
@ -498,15 +500,10 @@ mod prim_pointer {}
/// - [`AsRef`], [`AsMut`]
/// - [`Borrow`], [`BorrowMut`]
///
/// Arrays of sizes from 0 to 32 (inclusive) implement [`Default`] trait
/// Arrays of sizes from 0 to 32 (inclusive) implement the [`Default`] trait
/// if the element type allows it. As a stopgap, trait implementations are
/// statically generated up to size 32.
///
/// Arrays of *any* size are [`Copy`] if the element type is [`Copy`]
/// and [`Clone`] if the element type is [`Clone`]. This works
/// because [`Copy`] and [`Clone`] traits are specially known
/// to the compiler.
///
/// Arrays coerce to [slices (`[T]`)][slice], so a slice method may be called on
/// an array. Indeed, this provides most of the API for working with arrays.
/// Slices have a dynamic size and do not coerce to arrays.