40 lines
1.1 KiB
Rust
40 lines
1.1 KiB
Rust
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// Regression test for issue #115720.
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// If a const item contains generic params from an outer items, only suggest
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// turning the const item generic if the feature `generic_const_items` is enabled.
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// revisions: default generic_const_items
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#![cfg_attr(generic_const_items, feature(generic_const_items))]
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#![feature(generic_const_exprs)] // only used for the test case "outer struct"
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#![allow(incomplete_features)]
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fn outer<T: Tr>() { // outer function
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const K: u32 = T::C;
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//~^ ERROR can't use generic parameters from outer item
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//[generic_const_items]~| HELP try introducing a local generic parameter here
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}
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impl<T> Tr for T { // outer impl block
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const C: u32 = {
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const I: u32 = T::C;
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//~^ ERROR can't use generic parameters from outer item
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//[generic_const_items]~| HELP try introducing a local generic parameter here
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I
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};
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}
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struct S<T: Tr>(U32<{ // outer struct
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const _: u32 = T::C;
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//~^ ERROR can't use generic parameters from outer item
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//[generic_const_items]~| HELP try introducing a local generic parameter here
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0
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}>);
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trait Tr {
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const C: u32;
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}
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struct U32<const N: u32>;
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fn main() {}
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