t_wの輪郭

error[E0106]: missing lifetime specifier
–> src\lib.rs:5:51
|
5 | pub fn search(query: &str, contents: &str) -> Vec<&str> {
| ── ── ^ expected named lifetime parameter
|
= help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from query or contents
help: consider introducing a named lifetime parameter
|
5 | pub fn search<'a>(query: &'a str, contents: &'a str) -> Vec<&'a str> {
| ++++ ++ ++ ++

For more information about this error, try rustc --explain E0106.