const expect = @import("std").testing.expect; fn typeNameLength(comptime T: type) usize { return @typeName(T).len; } test "inline while loop" { comptime var i = 0; var sum: usize = 0; inline while (i < 3) : (i += 1) { const T = switch (i) { 0 => f32, 1 => i8, 2 => bool, else => unreachable, }; sum += typeNameLength(T); } expect(sum == 9); }