error[E0425]: cannot find value `bar` in this scope --> $DIR/tab.rs:4:2 | LL | bar; | ^^^ not found in this scope error[E0308]: mismatched types --> $DIR/tab.rs:8:2 | LL | fn foo() { | - help: try adding a return type: `-> &'static str` LL | "bar boo" | ^^^^^^^^^^^^^^^^^^^^ expected `()`, found `&str` error: aborting due to 2 previous errors Some errors have detailed explanations: E0308, E0425. For more information about an error, try `rustc --explain E0308`.