tests/ui/proc-macro/signature-proc-macro-attribute.stderr

   1 error: mismatched attribute proc macro signature
   2   --> $DIR/signature-proc-macro-attribute.rs:10:1
   3    |
   4 LL | pub fn bad_input(input: String) -> TokenStream {
   5    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attribute proc macro must have two arguments of type `proc_macro::TokenStream`
   6
   7 error: mismatched attribute proc macro signature
   8   --> $DIR/signature-proc-macro-attribute.rs:16:42
   9    |
  10 LL | pub fn bad_output(input: TokenStream) -> String {
  11    |                                          ^^^^^^ found std::string::String, expected type `proc_macro::TokenStream`
  12    |
  13    = note: attribute proc macros must have a signature of `fn(TokenStream, TokenStream) -> TokenStream`
  14
  15 error: mismatched attribute proc macro signature
  16   --> $DIR/signature-proc-macro-attribute.rs:16:1
  17    |
  18 LL | pub fn bad_output(input: TokenStream) -> String {
  19    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attribute proc macro must have two arguments of type `proc_macro::TokenStream`
  20
  21 error: mismatched attribute proc macro signature
  22   --> $DIR/signature-proc-macro-attribute.rs:23:41
  23    |
  24 LL | pub fn bad_everything(input: String) -> String {
  25    |                                         ^^^^^^ found std::string::String, expected type `proc_macro::TokenStream`
  26    |
  27    = note: attribute proc macros must have a signature of `fn(TokenStream, TokenStream) -> TokenStream`
  28
  29 error: mismatched attribute proc macro signature
  30   --> $DIR/signature-proc-macro-attribute.rs:23:1
  31    |
  32 LL | pub fn bad_everything(input: String) -> String {
  33    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attribute proc macro must have two arguments of type `proc_macro::TokenStream`
  34
  35 error: mismatched attribute proc macro signature
  36   --> $DIR/signature-proc-macro-attribute.rs:30:49
  37    |
  38 LL | pub fn too_many(a: TokenStream, b: TokenStream, c: String) -> TokenStream {
  39    |                                                 ^^^^^^^^^ found unexpected argument
  40
  41 error: aborting due to 6 previous errors
  42