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Function std.uni.toDelegate
Builds a Trie with typically optimal speed-size trade-off
and wraps it into a delegate of the following type:
bool delegate(dchar ch).
Effectively this creates a 'tester' lambda suitable for algorithms like std.algorithm.find that take unary predicates.
See the Synopsis, Synopsis section for example.
Prototype
auto toDelegate(Set)( Set set ) if (isCodepointSet!Set);
Authors
Dmitry Olshansky