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#![expect(deprecated)] // concat_idents is deprecated
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const XY_1: i32 = 10;
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fn main() {
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const XY_2: i32 = 20;
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assert_eq!(10, concat_idents!(X, Y_1)); //~ ERROR `concat_idents` is not stable
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assert_eq!(20, concat_idents!(X, Y_2)); //~ ERROR `concat_idents` is not stable
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}
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