enum Value {
    String { offset: u8, size: u8 },
}

fn some_function(value1: Value, value2: Value) {
    match (value1, value2) {
        (Value::String{offset: x1, size: x2},
        Value::String{offset: y1, size: y2}) => {},
        _ => {},
    }
}

fn main() {
    let x = Value::String {offset: 1, size: 1};
    let y = Value::String {offset: 2, size: 2};
    some_function(x, y);
}