The type to check.
true if T is a Tuple type, false otherwise.
static assert(isTuple!(Tuple!())); static assert(isTuple!(Tuple!(int))); static assert(isTuple!(Tuple!(int, real, string))); static assert(isTuple!(Tuple!(int, "x", real, "y"))); static assert(isTuple!(Tuple!(int, Tuple!(real), string)));
Returns true if and only if T is an instance of std.typecons.Tuple.