StarMirror/CppCoreGuidelines
1
0
Fork 0
mirror of https://github.com/isocpp/CppCoreGuidelines.git synced 2024-03-22 13:30:58 +08:00
Code Issues Projects Releases Wiki Activity

Add '<=>' to comparison operators related rules (C.87, C.167) (#1759)

Browse Source 
* Add '<=>' to comparison operators related rules (C.87, C.167)

C++20's three-way comparison operator should respect the same rules as other
comparison operators.

* Fix a minor typo

Co-authored-by: Jonathan Wakely <github@kayari.org>

Co-authored-by: Jonathan Wakely <github@kayari.org>
This commit is contained in:
nullptr-cpp 2021-04-02 02:12:18 +08:00 committed by GitHub
parent 5f75ea4b4b
commit 8bdb8fe0dc
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
CppCoreGuidelines.md
View File

@ -6562,11 +6562,11 @@ Of course there are ways of making `==` work in a hierarchy, but the naive appro
##### Note
This rule applies to all the usual comparison operators: `!=`, `<`, `<=`, `>`, and `>=`.
This rule applies to all the usual comparison operators: `!=`, `<`, `<=`, `>`, `>=`, and `<=>`.
##### Enforcement
* Flag a virtual `operator==()`; same for other comparison operators: `!=`, `<`, `<=`, `>`, and `>=`.
* Flag a virtual `operator==()`; same for other comparison operators: `!=`, `<`, `<=`, `>`, `>=`, and `<=>`.
### <a name="Rc-hash"></a>C.89: Make a `hash` `noexcept`
@ -8344,9 +8344,9 @@ By itself, `cout_my_class` would be OK, but it is not usable/composable with cod
##### Note
There are strong and vigorous conventions for the meaning most operators, such as
There are strong and vigorous conventions for the meaning of most operators, such as
* comparisons (`==`, `!=`, `<`, `<=`, `>`, and `>=`),
* comparisons (`==`, `!=`, `<`, `<=`, `>`, `>=`, and `<=>`),
* arithmetic operations (`+`, `-`, `*`, `/`, and `%`)
* access operations (`.`, `->`, unary `*`, and `[]`)
* assignment (`=`)