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Reimplement coral::optional::and_then

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kayomn 2023-02-27 00:46:12 +00:00
parent 26182be695
commit f43314cb53
1 changed files with 7 additions and 0 deletions
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7
source/coral.cpp
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@ -382,6 +382,13 @@ export namespace coral {
} }
} }
/**
* Invokes the `apply` procedure if the optional is not empty, otherwise having no side-effects.
*/
void and_then(closure<void(element &)> const & apply) {
if (this->has_value()) apply(**this);
}
/** /**
* Returns `true` if the optional contains a value, otherwise `false`. * Returns `true` if the optional contains a value, otherwise `false`.
*/ */