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macaron package
documentation
container/optional.dart
Null<T>
map<R> method
map<R> method
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map<
R
>
method
@
override
Optional
<
R
>
map
<
R
>(
R?
mapper
(
T
value
)
)
override
Implementation
@override Optional<R> map<R>(R? Function(T value) mapper) { return Null(); }
macaron package
documentation
container/optional
Null<T>
map<R> method
Null class