rust/tests/ui/imports/unnamed_pub_trait.rs

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// aux-build:unnamed_pub_trait_source.rs
/*
* This crate declares an unnameable public path for our item. Make sure we don't suggest
* importing it by name, and instead we suggest importing it by glob.
*/
extern crate unnamed_pub_trait_source;
//~^ HELP the following trait is implemented but not in scope; perhaps add a `use` for it:
//~| SUGGESTION unnamed_pub_trait_source::prelude::*; // trait Tr
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fn main() {
use unnamed_pub_trait_source::S;
S.method();
//~^ ERROR no method named `method` found for struct `S` in the current scope [E0599]
//~| HELP items from traits can only be used if the trait is in scope
}