1 error[E0261]: use of undeclared lifetime name `'a`
4 LL | fn foo(x: &'a str) { }
5 | - ^^ undeclared lifetime
7 | help: consider introducing lifetime `'a` here: `<'a>`
9 = help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes
11 error[E0261]: use of undeclared lifetime name `'a`
15 | - help: consider introducing lifetime `'a` here: `<'a>`
17 | ^^ undeclared lifetime
19 = help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes
21 error: aborting due to 2 previous errors
23 For more information about this error, try `rustc --explain E0261`.