arrow-optics / arrow.optics / POptional / exists
exists
open fun exists(source: S, predicate: (focus: A) -> Boolean): Boolean
Check if there is a focus and it satisfies the predicate predicate
arrow-optics / arrow.optics / POptional / exists
open fun exists(source: S, predicate: (focus: A) -> Boolean): Boolean
Check if there is a focus and it satisfies the predicate predicate
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