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Template std.meta.Filter
Filters an AliasSeqAliasSeq
Arguments
template Filter(alias pred, TList...);
Example
import std.traits : isNarrowString, isUnsigned; alias Types1 = AliasSeq!(string, wstring, dchar[], char[], dstring, int); alias TL1 = Filter!(isNarrowString, Types1); static assert(is(TL1 == AliasSeq!(string, wstring, char[]))); alias Types2 = AliasSeq!(int, byte, ubyte, dstring, dchar, uint, ulong); alias TL2 = Filter!(isUnsigned, Types2); static assert(is(TL2 == AliasSeq!(ubyte, uint, ulong)));