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error: derive proc macro has incorrect signature
--> $DIR/signature-proc-macro-derive.rs:10:25
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LL | pub fn bad_input(input: String) -> TokenStream {
| ^^^^^^ expected `proc_macro::TokenStream`, found `std::string::String`
|
= note: expected signature `fn(proc_macro::TokenStream) -> proc_macro::TokenStream`
found signature `fn(std::string::String) -> proc_macro::TokenStream`
error: derive proc macro has incorrect signature
--> $DIR/signature-proc-macro-derive.rs:16:42
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LL | pub fn bad_output(input: TokenStream) -> String {
| ^^^^^^ expected `proc_macro::TokenStream`, found `std::string::String`
|
= note: expected signature `fn(proc_macro::TokenStream) -> proc_macro::TokenStream`
found signature `fn(proc_macro::TokenStream) -> std::string::String`
error: derive proc macro has incorrect signature
--> $DIR/signature-proc-macro-derive.rs:22:30
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LL | pub fn bad_everything(input: String) -> String {
| ^^^^^^ expected `proc_macro::TokenStream`, found `std::string::String`
|
= note: expected signature `fn(proc_macro::TokenStream) -> proc_macro::TokenStream`
found signature `fn(std::string::String) -> std::string::String`
error: derive proc macro has incorrect signature
--> $DIR/signature-proc-macro-derive.rs:28:36
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LL | pub fn too_many(a: TokenStream, b: TokenStream, c: String) -> TokenStream {
| ^^^^^^^^^^^ incorrect number of function parameters
|
= note: expected signature `fn(proc_macro::TokenStream) -> proc_macro::TokenStream`
found signature `fn(proc_macro::TokenStream, proc_macro::TokenStream, std::string::String) -> proc_macro::TokenStream`
error: aborting due to 4 previous errors
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