@traversable/schema
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@traversable/schema
Predicate
optional$
Function optional$
optional$
<
T
>
(
guard
:
(
u
:
unknown
)
=>
u
is
T
)
:
(
u
:
unknown
)
=>
u
is
undefined
|
T
Type Parameters
T
Parameters
guard
:
(
u
:
unknown
)
=>
u
is
T
Returns
(
u
:
unknown
)
=>
u
is
undefined
|
T
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@traversable/schema
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