arrow-optics / arrow.optics.extensions.mapk.at / at

at

@JvmName("at") fun <K, V, T> PLens<T, T, MapK<K, V>, MapK<K, V>>.~~at~~(i: K): PLens<T, T, Option<V>, Option<V>> Deprecated: arrow.optics.extensions package is being deprecated, and it will be removed in 0.13.