arrow-optics / arrow.optics.extensions / arrow.core.MapInstances / at
fun <K, V> MapInstances.~~at~~(): At<Map<K, V>, K, Option<V>> Deprecated: Typeclass instance have been moved to the companion object of the typeclass.
fun <K, V> MapInstances.~~at~~():
At
<
Map
<K, V>, K, Option<V>>
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