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Function object.get

Looks up key; if it exists returns corresponding value else evaluates and returns defaultValue.

inout(V) get(K, V) (
  inout(V[K]) aa,
  K key,
  lazy inout(V) defaultValue

inout(V) get(K, V) (
  inout(V[K])* aa,
  K key,
  lazy inout(V) defaultValue


aa The associative array.
key The key.
defaultValue The default value.


The value.


auto aa = ["k1": 1];
writeln(aa.get("k1", 0)); // 1
writeln(aa.get("k2", 0)); // 0


Walter Bright, Sean Kelly


Boost License 1.0.