Add #[must_use] to applicable math operations #1678
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webmaster128
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May 2, 2023
| @@ -10,6 +10,7 @@ pub trait Fraction<T>: Sized { | |||
| /// Returns the multiplicative inverse `q/p` for fraction `p/q`. | |||
| /// | |||
| /// If `p` is zero, None is returned. | |||
| #[must_use = "this returns the result of the operation, without modifying the original"] | |||
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Is this the right place here? Does this belong to the trait definition or the trait implementation?
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Yes, I think it has to go in the trait definition. When I put it on the impl, it does not trigger the warning.
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webmaster128
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closes #1609