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error: mismatched function-like proc macro signature
--> $DIR/signature-proc-macro.rs:10:25
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LL | pub fn bad_input(input: String) -> TokenStream {
| ^^^^^^ found std::string::String, expected type `proc_macro::TokenStream`
|
= note: function-like proc macros must have a signature of `fn(TokenStream) -> TokenStream`
error: mismatched function-like proc macro signature
--> $DIR/signature-proc-macro.rs:16:42
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LL | pub fn bad_output(input: TokenStream) -> String {
| ^^^^^^ found std::string::String, expected type `proc_macro::TokenStream`
|
= note: function-like proc macros must have a signature of `fn(TokenStream) -> TokenStream`
error: mismatched function-like proc macro signature
--> $DIR/signature-proc-macro.rs:22:41
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LL | pub fn bad_everything(input: String) -> String {
| ^^^^^^ found std::string::String, expected type `proc_macro::TokenStream`
|
= note: function-like proc macros must have a signature of `fn(TokenStream) -> TokenStream`
error: mismatched function-like proc macro signature
--> $DIR/signature-proc-macro.rs:22:30
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LL | pub fn bad_everything(input: String) -> String {
| ^^^^^^ found std::string::String, expected type `proc_macro::TokenStream`
|
= note: function-like proc macros must have a signature of `fn(TokenStream) -> TokenStream`
error: mismatched function-like proc macro signature
--> $DIR/signature-proc-macro.rs:29:33
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LL | pub fn too_many(a: TokenStream, b: TokenStream, c: String) -> TokenStream {
| ^^^^^^^^^^^^^^^^^^^^^^^^^ found unexpected arguments
error: aborting due to 5 previous errors
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