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44 lines
1.5 KiB
Rust
44 lines
1.5 KiB
Rust
#![feature(rustc_attrs)]
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#[rustc_legacy_const_generics(0)] //~ ERROR #[rustc_legacy_const_generics] must have one index for
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fn foo1() {}
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#[rustc_legacy_const_generics(1)] //~ ERROR index exceeds number of arguments
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fn foo2<const X: usize>() {}
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#[rustc_legacy_const_generics(2)] //~ ERROR index exceeds number of arguments
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fn foo3<const X: usize>(_: u8) {}
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#[rustc_legacy_const_generics(a)] //~ ERROR arguments should be non-negative integers
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fn foo4<const X: usize>() {}
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#[rustc_legacy_const_generics(1, a, 2, b)] //~ ERROR arguments should be non-negative integers
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fn foo5<const X: usize, const Y: usize, const Z: usize, const W: usize>() {}
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#[rustc_legacy_const_generics(0)] //~ ERROR attribute should be applied to a function
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struct S;
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#[rustc_legacy_const_generics(0usize)] //~ ERROR suffixed literals are not allowed in attributes
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fn foo6<const X: usize>() {}
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extern {
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#[rustc_legacy_const_generics(1)] //~ ERROR attribute should be applied to a function
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fn foo7<const X: usize>(); //~ ERROR foreign items may not have const parameters
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}
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#[rustc_legacy_const_generics(0)] //~ ERROR #[rustc_legacy_const_generics] functions must only have
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fn foo8<X>() {}
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impl S {
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#[rustc_legacy_const_generics(0)] //~ ERROR attribute should be applied to a function
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fn foo9<const X: usize>() {}
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}
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#[rustc_legacy_const_generics] //~ ERROR malformed `rustc_legacy_const_generics` attribute
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fn bar1() {}
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#[rustc_legacy_const_generics = 1] //~ ERROR malformed `rustc_legacy_const_generics` attribute
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fn bar2() {}
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fn main() {}
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