ILookup

protocol

since v0.0-927

implemented for BlackNode HashMapLite MapEntry ObjMap PersistentArrayMap PersistentHashMap PersistentHashSet PersistentTreeMap PersistentTreeSet PersistentVector RedNode SetLite Subvec TaggedLiteral TransientArrayMap TransientHashMap TransientHashSet TransientVector VectorLite

Source docstring:

Protocol for looking up a value in a data structure.

Source code @ clojurescript:src/main/cljs/cljs/core.cljs

(defprotocol ILookup
  (-lookup [o k] [o k not-found]
    "Use k to look up a value in o. If not-found is supplied and k is not
     a valid value that can be used for look up, not-found is returned."))