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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
				

				);

Parameters

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

Returns

The value.

Example

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

Authors

Walter Bright, Sean Kelly

License

Boost License 1.0.