rust/tests/ui/single-use-lifetime/zero-uses-in-impl.rs
2023-01-11 09:32:08 +00:00

11 lines
202 B
Rust

// Test that we DO warn when lifetime name is not used at all.
#![deny(unused_lifetimes)]
#![allow(dead_code, unused_variables)]
struct Foo {}
impl<'a> Foo {} //~ ERROR `'a` never used
fn main() {}