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: 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`.