//String types static assert( isSomeString!string); static assert( isSomeString!(wchar[])); static assert( isSomeString!(dchar[])); static assert( isSomeString!(typeof("aaa"))); static assert( isSomeString!(const(char)[])); //Non string types static assert(!isSomeString!int); static assert(!isSomeString!(int[])); static assert(!isSomeString!(byte[])); static assert(!isSomeString!(typeof(null))); static assert(!isSomeString!(char[4])); enum ES : string { a = "aaa", b = "bbb" } static assert(!isSomeString!ES); static struct Stringish { string str; alias str this; } static assert(!isSomeString!Stringish);
Detect whether T is one of the built-in string types.
The built-in string types are Char[], where Char is any of char, wchar or dchar, with or without qualifiers.
Static arrays of characters (like char[80]) are not considered built-in string types.