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error: mismatched attribute proc macro signature
--> $DIR/signature-proc-macro-attribute.rs:10:1
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LL | pub fn bad_input(input: String) -> TokenStream {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attribute proc macro must have two arguments of type `proc_macro::TokenStream`
error: mismatched attribute proc macro signature
--> $DIR/signature-proc-macro-attribute.rs:16:42
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LL | pub fn bad_output(input: TokenStream) -> String {
| ^^^^^^ found std::string::String, expected type `proc_macro::TokenStream`
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= note: attribute proc macros must have a signature of `fn(TokenStream, TokenStream) -> TokenStream`
error: mismatched attribute proc macro signature
--> $DIR/signature-proc-macro-attribute.rs:16:1
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LL | pub fn bad_output(input: TokenStream) -> String {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attribute proc macro must have two arguments of type `proc_macro::TokenStream`
error: mismatched attribute proc macro signature
--> $DIR/signature-proc-macro-attribute.rs:23:41
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LL | pub fn bad_everything(input: String) -> String {
| ^^^^^^ found std::string::String, expected type `proc_macro::TokenStream`
|
= note: attribute proc macros must have a signature of `fn(TokenStream, TokenStream) -> TokenStream`
error: mismatched attribute proc macro signature
--> $DIR/signature-proc-macro-attribute.rs:23:1
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LL | pub fn bad_everything(input: String) -> String {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ attribute proc macro must have two arguments of type `proc_macro::TokenStream`
error: mismatched attribute proc macro signature
--> $DIR/signature-proc-macro-attribute.rs:30:49
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LL | pub fn too_many(a: TokenStream, b: TokenStream, c: String) -> TokenStream {
| ^^^^^^^^^ found unexpected argument
error: aborting due to 6 previous errors
|