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31 lines
753 B
Rust
31 lines
753 B
Rust
//@ force-host
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//@ no-prefer-dynamic
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#![crate_type = "proc-macro"]
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extern crate proc_macro;
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use proc_macro::TokenStream;
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#[proc_macro_derive(Blah)]
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pub fn bad_input(input: String) -> TokenStream {
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//~^ ERROR derive proc macro has incorrect signature
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TokenStream::new()
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}
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#[proc_macro_derive(Bleh)]
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pub fn bad_output(input: TokenStream) -> String {
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//~^ ERROR derive proc macro has incorrect signature
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String::from("blah")
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}
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#[proc_macro_derive(Bluh)]
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pub fn bad_everything(input: String) -> String {
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//~^ ERROR derive proc macro has incorrect signature
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input
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}
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#[proc_macro_derive(Blih)]
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pub fn too_many(a: TokenStream, b: TokenStream, c: String) -> TokenStream {
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//~^ ERROR derive proc macro has incorrect signature
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}
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