error[E0029]: only `char` and numeric types are allowed in range patterns
  --> $DIR/half-open-range-pats-bad-types.rs:4:9
   |
LL |     let "a".. = "a";
   |         ^^^ this is of type `&'static str` but it should be `char` or numeric

error[E0029]: only `char` and numeric types are allowed in range patterns
  --> $DIR/half-open-range-pats-bad-types.rs:5:11
   |
LL |     let .."a" = "a";
   |           ^^^ this is of type `&'static str` but it should be `char` or numeric

error[E0029]: only `char` and numeric types are allowed in range patterns
  --> $DIR/half-open-range-pats-bad-types.rs:6:12
   |
LL |     let ..="a" = "a";
   |            ^^^ this is of type `&'static str` but it should be `char` or numeric

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0029`.