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MapOnOption extension
MapOnOption extension
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MapOnOption<
T
>
extension
将
Option?
转化为
Option
on
FutureOr
<
Option
<
T
>
?
>
Methods
mapOption
<
S
>
(
{
required
FutureOr
<
S
>
ifNone
(),
required
FutureOr
<
S
>
ifSome
(
T
v
)
})
→
FutureOr
<
S
>
optionFut
(
)
→
FutureOr
<
Option
<
T
>
>
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MapOnOption extension
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