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