Returns an optional containing the stored value if it has one, or the result of applying f to the optional if it does not.

Synopsis

Declared in <beman/optional/optional.hpp>

template<class F>
constexpr
optional<T>
or_else(F&& f);

Return Value

  • auto

  • optional<T>

Template Parameters

Name

Description

F

T

Parameters

Name

Description

f

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