rust/tests/ui/parser/ufcs-return-unused-parens.rs
2025-07-05 03:46:08 +05:00

21 lines
525 B
Rust

//! Check that UFCS syntax works correctly in return statements
//! without requiring workaround parentheses.
//!
//! Regression test for <https://github.com/rust-lang/rust/issues/37765>.
//@ run-pass
//@ run-rustfix
#![allow(dead_code)]
#![warn(unused_parens)]
fn with_parens<T: ToString>(arg: T) -> String {
return (<T as ToString>::to_string(&arg)); //~ WARN unnecessary parentheses around `return` value
}
fn no_parens<T: ToString>(arg: T) -> String {
return <T as ToString>::to_string(&arg);
}
fn main() {}