// -*- rust -*- type rect = rec(int x, int y, int w, int h); fn f(rect r, int x, int y, int w, int h) { check (r.x == x); check (r.y == y); check (r.w == w); check (r.h == h); } fn main() { let rect r = rec(x=10, y=20, w=100, h=200); check (r.x == 10); check (r.y == 20); check (r.w == 100); check (r.h == 200); let rect r2 = r; let int x = r2.x; check (x == 10); f(r, 10, 20, 100, 200); f(r2, 10, 20, 100, 200); }