File: reserved-macro-names.rs

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//@ force-host
//@ no-prefer-dynamic

#![crate_type = "proc-macro"]

extern crate proc_macro;
use proc_macro::*;

#[proc_macro_attribute]
pub fn cfg(_: TokenStream, input: TokenStream) -> TokenStream {
    //~^ ERROR name `cfg` is reserved in attribute namespace
    input
}

#[proc_macro_attribute]
pub fn cfg_attr(_: TokenStream, input: TokenStream) -> TokenStream {
    //~^ ERROR name `cfg_attr` is reserved in attribute namespace
    input
}