ref: 14fca46c234b6da5f79283a871cfb7275efadaf5 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("{},{}\n", z[0].x, z[0].y) }