Michel Fortin: > struct() > struct(a) > struct(a, b) > struct(a, b, c) > > Tuples are actually nameless structs, no? That syntax is even longer/wordier :-) auto arr = [struct(1, 2), struct(3, 4), struct(5, 6)]; Structs usually don't support slicing and concatenation. But they are indeed related structures. Bye, bearophile