Arrow
1.1.5
arrow-optics
/
arrow.optics
/
PLens
/
Companion
/
nonEmptyListHead
non
Empty
List
Head
@
JvmStatic
fun
<
A
>
nonEmptyListHead
(
)
:
Lens
<
NonEmptyList
<
A
>
,
A
>
(
source
)
Lens
to operate on the head of a
NonEmptyList