mirror of https://github.com/rust-lang/rust
49 lines
790 B
Rust
49 lines
790 B
Rust
//@ run-rustfix
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// check-only
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#![allow(dead_code)]
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#[derive(Debug)]
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struct Demo {
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a: String
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}
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trait GetString {
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fn get_a(&self) -> &String;
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}
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trait UseString: std::fmt::Debug + GetString {
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fn use_string(&self) {
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println!("{:?}", self.get_a()); //~ ERROR no method named `get_a` found
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}
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}
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trait UseString2: GetString {
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fn use_string(&self) {
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println!("{:?}", self.get_a()); //~ ERROR no method named `get_a` found
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}
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}
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impl GetString for Demo {
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fn get_a(&self) -> &String {
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&self.a
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}
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}
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impl UseString for Demo {}
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impl UseString2 for Demo {}
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#[cfg(test)]
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mod tests {
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use crate::{Demo, UseString};
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#[test]
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fn it_works() {
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let d = Demo { a: "test".to_string() };
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d.use_string();
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}
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}
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fn main() {}
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