arrow-core / arrow.core.extensions.either.foldable / arrow.Kind / firstOption

firstOption

@JvmName("firstOption") fun <L, A> Kind<Kind<ForEither, L>, A>.~~firstOption~~(): Option<A> Deprecated: @extension kinded projected functions are deprecated.

@JvmName("firstOption") fun <L, A> Kind<Kind<ForEither, L>, A>.~~firstOption~~(arg1: (A) -> Boolean): Option<A> Deprecated: @extension kinded projected functions are deprecated.