error[E0308]: mismatched types
  --> $DIR/overloaded-calls-bad.rs:28:17
   |
LL |     let ans = s("what");
   |                 ^^^^^^ expected `isize`, found `&str`

error[E0057]: this function takes 1 argument but 0 arguments were supplied
  --> $DIR/overloaded-calls-bad.rs:29:15
   |
LL |     let ans = s();
   |               ^-- supplied 0 arguments
   |               |
   |               expected 1 argument

error[E0057]: this function takes 1 argument but 2 arguments were supplied
  --> $DIR/overloaded-calls-bad.rs:31:15
   |
LL |     let ans = s("burma", "shave");
   |               ^ -------  ------- supplied 2 arguments
   |               |
   |               expected 1 argument

error: aborting due to 3 previous errors

Some errors have detailed explanations: E0057, E0308.
For more information about an error, try `rustc --explain E0057`.