1const Number = enum {
 2    One,
 3    Two,
 4    Three,
 5    Four,
 6};
 7fn f(n: Number) i32 {
 8    switch (n) {
 9        Number.One => 1,
10        Number.Two => 2,
11        Number.Three => @as(i32, 3),
12        Number.Four => 4,
13        Number.Two => 2,
14    }
15}
16
17export fn entry() usize {
18    return @sizeOf(@TypeOf(&f));
19}
20
21// error
22//
23// :13:15: error: duplicate switch value
24// :10:15: note: previous value here