arrow-optics / arrow.optics / PLens / first
open fun <C> first(): PLens<Tuple2<S, C>, Tuple2<T, C>, Tuple2<A, C>, Tuple2<B, C>>
open fun <C> first():
PLens
<Tuple2<S, C>, Tuple2<T, C>, Tuple2<A, C>, Tuple2<B, C>>
Create a product of the PLens and a type C
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