File: forward-declared.rs

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rustc 1.88.0%2Bdfsg1-2
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struct Foo<const N: usize = M, const M: usize = 10>;
//~^ ERROR generic parameter defaults cannot reference parameters before they are declared

enum Bar<const N: usize = M, const M: usize = 10> {}
//~^ ERROR generic parameter defaults cannot reference parameters before they are declared

struct Foo2<const N: usize = N>;
//~^ ERROR generic parameter defaults cannot reference parameters before they are declared

enum Bar2<const N: usize = N> {}
//~^ ERROR generic parameter defaults cannot reference parameters before they are declared

fn main() {}