mirror of https://github.com/rust-lang/rust
16 lines
339 B
Rust
16 lines
339 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::*;
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#[proc_macro_derive(NoMarker)]
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pub fn f(input: TokenStream) -> TokenStream {
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if input.to_string().contains("rustc_copy_clone_marker") {
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panic!("found `#[rustc_copy_clone_marker]`");
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}
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TokenStream::new()
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}
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