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micro_utils.dokka
0.20.50
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mapOnFirst
map
On
First
inline
fun
<
T1
,
R
>
Either
<
T1
,
*
>
.
mapOnFirst
(
block
:
(
T1
)
->
R
)
:
R
?
(
source
)
Return
Result of
block
if
this
is
EitherFirst