mirror of https://github.com/rust-lang/rust
23 lines
529 B
Rust
23 lines
529 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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pub mod a { //~ `proc-macro` crate types currently cannot export any items
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use proc_macro::TokenStream;
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#[proc_macro_derive(B)]
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pub fn bar(a: TokenStream) -> TokenStream {
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//~^ ERROR: must currently reside in the root of the crate
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a
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}
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}
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#[proc_macro_derive(B)]
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fn bar(a: proc_macro::TokenStream) -> proc_macro::TokenStream {
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//~^ ERROR: functions tagged with `#[proc_macro_derive]` must be `pub`
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a
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}
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