@glideapps/ts-necessities
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definedMap
Function definedMap
definedMap
<
T
,
U
>
(
x
:
undefined
|
T
,
f
:
(
xx
:
T
)
=>
U
)
:
undefined
|
U
If
x
is undefined, return
undefined
. Otherwise, return
f(x)
.
Type Parameters
T
U
Parameters
x
:
undefined
|
T
f
:
(
xx
:
T
)
=>
U
Returns
undefined
|
U
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@glideapps/ts-necessities
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If
x
is undefined, returnundefined
. Otherwise, returnf(x)
.