You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
|
$ cargo run
|
|
|
|
|
Compiling ownership v0.1.0 (file:///projects/ownership)
|
|
|
|
|
error[E0106]: missing lifetime specifier
|
|
|
|
|
--> src/main.rs:5:16
|
|
|
|
|
|
|
|
|
|
|
5 | fn dangle() -> &String {
|
|
|
|
|
| ^ expected named lifetime parameter
|
|
|
|
|
|
|
|
|
|
|
= help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
|
|
|
|
|
help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`
|
|
|
|
|
|
|
|
|
|
|
5 | fn dangle() -> &'static String {
|
|
|
|
|
| +++++++
|
|
|
|
|
help: instead, you are more likely to want to return an owned value
|
|
|
|
|
|
|
|
|
|
|
5 - fn dangle() -> &String {
|
|
|
|
|
5 + fn dangle() -> String {
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
error[E0515]: cannot return reference to local variable `s`
|
|
|
|
|
--> src/main.rs:8:5
|
|
|
|
|
|
|
|
|
|
|
8 | &s
|
|
|
|
|
| ^^ returns a reference to data owned by the current function
|
|
|
|
|
|
|
|
|
|
Some errors have detailed explanations: E0106, E0515.
|
|
|
|
|
For more information about an error, try `rustc --explain E0106`.
|
|
|
|
|
error: could not compile `ownership` (bin "ownership") due to 2 previous errors
|
