mirror of https://github.com/rust-lang/rust
44 lines
1.5 KiB
Rust
44 lines
1.5 KiB
Rust
//@ edition:2018
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//@ aux-build:edition-kw-macro-2018.rs
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#![feature(async_closure)]
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fn main() {}
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#[macro_use]
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extern crate edition_kw_macro_2018;
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mod module {
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pub fn r#async() {}
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}
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macro_rules! local_passes_ident {
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($i: ident) => ($i) //~ ERROR macro expansion ends with an incomplete expression
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}
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macro_rules! local_passes_tt {
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($i: tt) => ($i)
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}
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pub fn check_async() {
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let mut async = 1; //~ ERROR expected identifier, found keyword `async`
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let mut r#async = 1; // OK
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r#async = consumes_async!(async); // OK
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r#async = consumes_async!(r#async); //~ ERROR no rules expected the token `r#async`
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r#async = consumes_async_raw!(async); //~ ERROR no rules expected the token `async`
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r#async = consumes_async_raw!(r#async); // OK
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if passes_ident!(async) == 1 {} // FIXME: Edition hygiene bug, async here is 2018 and reserved
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if passes_ident!(r#async) == 1 {} // OK
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if passes_tt!(async) == 1 {} //~ ERROR macro expansion ends with an incomplete expression
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if passes_tt!(r#async) == 1 {} // OK
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if local_passes_ident!(async) == 1 {} // Error reported above in the macro
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if local_passes_ident!(r#async) == 1 {} // OK
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if local_passes_tt!(async) == 1 {} //~ ERROR macro expansion ends with an incomplete expression
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if local_passes_tt!(r#async) == 1 {} // OK
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module::async(); //~ ERROR expected identifier, found keyword `async`
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module::r#async(); // OK
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let _recovery_witness: () = 0; //~ ERROR mismatched types
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}
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