ref: 2fecc0b35b964469479c81cab2ebf5359f2bab89 dir: /test/foldidx.myr/
use std type xy = struct x : int y : int ;; const X = 123 const Y = 456 const z : xy[1] = [ [.x = X, .y = Y] ] const main = { std.put("%i,%i\n", z[0].x, z[0].y) }