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@prelude/validation
defined
Function defined
defined
<
T
>
(
value
:
T
)
:
Outcome
<
Exclude
<
T
,
undefined
>
>
Accepts anything but
undefined
; keeps the input type.
Type Parameters
T
Parameters
value
:
T
Returns
Outcome
<
Exclude
<
T
,
undefined
>
>
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Accepts anything but
undefined; keeps the input type.