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zig/test/cases/compile_errors/switch_expression-duplicate_enumeration_prong.zig
2022-06-30 09:57:38 +02:00

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Zig

const Number = enum {
One,
Two,
Three,
Four,
};
fn f(n: Number) i32 {
switch (n) {
Number.One => 1,
Number.Two => 2,
Number.Three => @as(i32, 3),
Number.Four => 4,
Number.Two => 2,
}
}
export fn entry() usize { return @sizeOf(@TypeOf(&f)); }
// error
// backend=stage2
// target=native
//
// :13:15: error: duplicate switch value
// :10:15: note: previous value here