Arrow
1.1.5
common
arrow-core
/
arrow.core
/
filterMap
filter
Map
fun
<
K
,
A
,
B
>
Map
<
K
,
A
>
.
filterMap
(
f
:
(
A
)
->
B
?
)
:
Map
<
K
,
B
>
(
source
)