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fn main() {
let a =
match 10 { x if x < 7 => { 1 } x if x < 11 => { 2 } 10 => { 3 } _ => { 4 } };
assert (a == 2);
let b =
match {x: 10, y: 20} {
x if x.x < 5 && x.y < 5 => { 1 } {x: x, y: y} if x == 10 && y == 20 => { 2 } {x: x, y: y} => { 3 }
}; assert (b == 2);
}