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Update C.12 to apply to copyable/movable types, closes #2012

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Herb Sutter
2023-01-19 14:42:25 -08:00
parent 0bc56ffaa8
commit 06fabdc9af
1 changed files with 3 additions and 3 deletions
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CppCoreGuidelines.md
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@@ -4748,11 +4748,11 @@ so they can't be regular; instead, they tend to be move-only.
??? ???
### <a name="Rc-constref"></a>C.12: Don't make data members `const` or references ### <a name="Rc-constref"></a>C.12: Don't make data members `const` or references in a copyable or movable type
##### Reason ##### Reason
They are not useful, and make types difficult to use by making them either uncopyable or partially uncopyable for subtle reasons. `const` and reference data members are not useful in a copyable or movable type, and make such types difficult to use by making them at least partly uncopyable/unmovable for subtle reasons.
##### Example; bad ##### Example; bad
@@ -4770,7 +4770,7 @@ If you need a member to point to something, use a pointer (raw or smart, and `gs
##### Enforcement ##### Enforcement
Flag a data member that is `const`, `&`, or `&&`. Flag a data member that is `const`, `&`, or `&&` in a type that has any copy or move operation.