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Rollup merge of #42920 - behnam:cmp, r=BurntSushi

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[libcore/cmp] Expand Ord/PartialOrd Derivable doc for enum types

Expand Derivable docblock section for `Ord` and `PartialOrd` to cover
`enum` types, in addition to the existing language explaining it for
`struct` types.
This commit is contained in:
Ariel Ben-Yehuda 2017-06-29 08:40:08 +00:00 committed by GitHub
commit 647a36da73
1 changed files with 6 additions and 4 deletions
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10
src/libcore/cmp.rs
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@ -379,8 +379,9 @@ impl<T: Ord> Ord for Reverse<T> {
///
/// ## Derivable
///
/// This trait can be used with `#[derive]`. When `derive`d, it will produce a lexicographic
/// ordering based on the top-to-bottom declaration order of the struct's members.
/// This trait can be used with `#[derive]`. When `derive`d on structs, it will produce a
/// lexicographic ordering based on the top-to-bottom declaration order of the struct's members.
/// When `derive`d on enums, variants are ordered by their top-to-bottom declaration order.
///
/// ## How can I implement `Ord`?
///
@ -512,8 +513,9 @@ impl PartialOrd for Ordering {
///
/// ## Derivable
///
/// This trait can be used with `#[derive]`. When `derive`d, it will produce a lexicographic
/// ordering based on the top-to-bottom declaration order of the struct's members.
/// This trait can be used with `#[derive]`. When `derive`d on structs, it will produce a
/// lexicographic ordering based on the top-to-bottom declaration order of the struct's members.
/// When `derive`d on enums, variants are ordered by their top-to-bottom declaration order.
///
/// ## How can I implement `PartialOrd`?
///