[libc++][cmath] Adding [[nodicard]]
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H-G-Hristov
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[[nodicard]][[nodicard]]
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✅ With the latest revision this PR passed the C/C++ code formatter. |
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| std::modf(0.F, 0); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} | ||
| std::modf(0., 0); // expected-warning-re 0-1 {{ignoring return value of function declared with {{.*}} attribute}} | ||
| std::modf(0.L, 0); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
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Perhaps it's also reasonable to introduce float, double, and long double variables for these. Although this looks a bit messy to me.
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OK
I am not sure if my current solution for the double overloads is correct: "expected-warning-re 0-1".
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`[[nodiscard]]` should be applied to functions where discarding the return value is most likely a correctness issue. - https://libcxx.llvm.org/CodingGuidelines.htm - https://wg21.link/c.math
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[[nodiscard]]should be applied to functions where discarding the return value is most likely a correctness issue.