Commit 39915ae08668884f51071feb4b1132b1903f0abb | zig

1 files changed, 13 insertions(+), 0 deletions(-)

lib/std/meta/trait.zig+13

...	...	@@ -342,6 +342,19 @@ test "std.meta.trait.isContainer" {
342	342	testing.expect(!isContainer(u8));
343	343	}
344	344
	345	pub fn isTuple(comptime T: type) bool {
	346	return is(.Struct)(T) and @typeInfo(T).Struct.is_tuple;
	347	}
	348
	349	test "std.meta.trait.isTuple" {
	350	const t1 = struct {};
	351	const t2 = .{ .a = 0 };
	352	const t3 = .{ 1, 2, 3 };
	353	testing.expect(!isTuple(t1));
	354	testing.expect(!isTuple(@TypeOf(t2)));
	355	testing.expect(isTuple(@TypeOf(t3)));
	356	}
	357
345	358	pub fn hasDecls(comptime T: type, comptime names: anytype) bool {
346	359	inline for (names) \|name\| {
347	360	if (!@hasDecl(T, name))