arrow-optics / arrow.optics / PLens / choice
open infix fun <S1, T1> choice(other: PLens<S1, T1, A, B>): PLens<Either<S, S1>, Either<T, T1>, A, B>
open infix fun <S1, T1> choice(other:
PLens
<S1, T1, A, B>):
<Either<S, S1>, Either<T, T1>, A, B>
Join two PLens with the same focus in A
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