Returns a value from the hash by name.
If the type parameter T is given, the value returned must match T. If no values with with matching a matching key and type exist within the hash, T.init is returned instead.
The name of the key to search for.
An optional type constraint.
See Implementation
Returns a value from the hash by name.
If the type parameter T is given, the value returned must match T. If no values with with matching a matching key and type exist within the hash, T.init is returned instead.