error[E0308]: `if` and `else` have incompatible types --> $DIR/str-array-assignment.rs:3:37 | LL | let t = if true { s[..2] } else { s }; | ------ ^ expected `str`, found `&str` | | | expected because of this error[E0308]: mismatched types --> $DIR/str-array-assignment.rs:5:27 | LL | let u: &str = if true { s[..2] } else { s }; | ^^^^^^ expected `&str`, found `str` | help: consider borrowing here | LL | let u: &str = if true { &s[..2] } else { s }; | + error[E0277]: the size for values of type `str` cannot be known at compilation time --> $DIR/str-array-assignment.rs:7:7 | LL | let v = s[..2]; | ^ doesn't have a size known at compile-time | = help: the trait `Sized` is not implemented for `str` = note: all local variables must have a statically known size = help: unsized locals are gated as an unstable feature help: consider borrowing here | LL | let v = &s[..2]; | + error[E0308]: mismatched types --> $DIR/str-array-assignment.rs:9:17 | LL | let w: &str = s[..2]; | ---- ^^^^^^ expected `&str`, found `str` | | | expected due to this | help: consider borrowing here | LL | let w: &str = &s[..2]; | + error: aborting due to 4 previous errors Some errors have detailed explanations: E0277, E0308. For more information about an error, try `rustc --explain E0277`.