Returns an optional containing the result of applying f to the stored value, or a default value if there is no stored value.
Synopses
Declared in <beman/optional/optional.hpp>
Returns an optional containing the result of applying f to the stored value, or a default value if there is no stored value.
template<class F>
constexpr
auto
transform(F&& f);Returns an optional containing the result of applying f to the stored value, or a default value if there is no stored value.
template<class F>
constexpr
auto
transform(F&& f);Returns an optional containing the result of applying f to the stored value, or a default value if there is no stored value.
template<class F>
constexpr
auto
transform(F&& f);Returns an optional containing the result of applying f to the stored value, or a default value if there is no stored value.
template<class F>
constexpr
auto
transform(F&& f);Return Value
-
auto
-
optional
Template Parameters
Name |
Description |
F |
Parameters
Name |
Description |
f |
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