Arrow
1.1.5
arrow-optics
/
arrow.optics
/
Getter
/
left
left
open
override
fun
<
C
>
left
(
)
:
Getter
<
Either
<
S
,
C
>
,
Either
<
A
,
C
>
>
(
source
)
Create a sum of the
Getter
and type
C