ref: 34f2230c4a505f3b94bc33ed07f0839fe66a0e93
dir: /test/structasn.myr/
use std /* tests block assignment of structs. exits with 42.*/ type pair = struct a : int b : int ;; const main = { var x : pair var y : pair x.a = 12 x.b = 30 y = x std.exit(y.a + y.b) }