src/test/ui/parser/fn-body-optional-semantic-fail.stderr

   1 error: free function without a body
   2   --> $DIR/fn-body-optional-semantic-fail.rs:4:5
   3    |
   4 LL |     fn f1();
   5    |     ^^^^^^^-
   6    |            |
   7    |            help: provide a definition for the function: `{ <body> }`
   8
   9 error: associated function in `impl` without body
  10   --> $DIR/fn-body-optional-semantic-fail.rs:14:9
  11    |
  12 LL |         fn f1();
  13    |         ^^^^^^^-
  14    |                |
  15    |                help: provide a definition for the function: `{ <body> }`
  16
  17 error: associated function in `impl` without body
  18   --> $DIR/fn-body-optional-semantic-fail.rs:19:9
  19    |
  20 LL |         fn f3();
  21    |         ^^^^^^^-
  22    |                |
  23    |                help: provide a definition for the function: `{ <body> }`
  24
  25 error: incorrect function inside `extern` block
  26   --> $DIR/fn-body-optional-semantic-fail.rs:25:12
  27    |
  28 LL |     extern {
  29    |     ------ `extern` blocks define existing foreign functions and functions inside of them cannot have a body
  30 LL |         fn f5(); // OK.
  31 LL |         fn f6() {}
  32    |            ^^   -- help: remove the invalid body: `;`
  33    |            |
  34    |            cannot have a body
  35    |
  36    = help: you might have meant to write a function accessible through FFI, which can be done by writing `extern fn` outside of the `extern` block
  37    = note: for more information, visit https://doc.rust-lang.org/std/keyword.extern.html
  38
  39 error: aborting due to 4 previous errors
  40