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Provide structured suggestion for `#![feature(foo)]` ``` error: `S2<'_>` is forbidden as the type of a const generic parameter --> $DIR/lifetime-in-const-param.rs:5:23 | LL | struct S<'a, const N: S2>(&'a ()); | ^^ | = note: the only supported types are integers, `bool` and `char` help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types | LL + #![feature(adt_const_params)] | ``` Fix #55941. |
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| .. | ||
| src | ||
| Cargo.toml | ||
| messages.ftl | ||
| README.md | ||
For high-level intro to how type checking works in rustc, see the type checking chapter of the rustc dev guide.