struct Ident {
    name string
    line int
    col  int
}

struct Literal {
    value string
}

type Expr = Ident | Literal

fn make_ident() Ident {
    return Ident{
        name: 'foo'
        line: 42
        col:  10
    }
}

fn wrap_expr() Expr {
    i := make_ident()
    return i
}

fn main() {
    e := wrap_expr()
    match e {
        Ident {
            println(e.name)
            println(e.line)
            println(e.col)
        }
        Literal {
            println(e.value)
        }
    }
}