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OptionMonadPlus
empty<A> method
empty<A> method
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empty<
A
>
method
@
override
Option
<
A
>
empty
<
A
>(
)
override
Implementation
@override Option<A> empty<A>() => none();
dartz package
documentation
dartz
OptionMonadPlus
empty<A> method
OptionMonadPlus class