RFC: Add a @mustuse function attribute
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This RFC proposes a `@mustuse` attribute, which may be applied to a function, enforcing the usage of a function's return value.
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I know it's used in several languages, but to me "mustuse" is sort of confusing - it sounds like you have to use the function. In C++ there is the gcc attribute warn_unused_result and the standard nodiscard (don't discard the return value or you get a warning), both of which seem better to me |
I would also prefer |
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This RFC proposes a
@mustuseattribute, which may be applied to a function, enforcing the usage of a function's return value.Rendered.