| //@ check-pass |
| //@ run-rustfix |
| //@ edition:2018 |
| |
| #![warn(rust_2021_prefixes_incompatible_syntax)] |
| |
| macro_rules! m2 { |
| ($a:tt $b:tt) => {}; |
| } |
| |
| macro_rules! m3 { |
| ($a:tt $b:tt $c:tt) => {}; |
| } |
| |
| fn main() { |
| m2!(z "hey"); |
| //~^ WARNING prefix `z` is unknown [rust_2021_prefixes_incompatible_syntax] |
| //~| WARNING hard error in Rust 2021 |
| m2!(prefix "hey"); |
| //~^ WARNING prefix `prefix` is unknown [rust_2021_prefixes_incompatible_syntax] |
| //~| WARNING hard error in Rust 2021 |
| m3!(hey #123); |
| //~^ WARNING prefix `hey` is unknown [rust_2021_prefixes_incompatible_syntax] |
| //~| WARNING hard error in Rust 2021 |
| m3!(hey #hey); |
| //~^ WARNING prefix `hey` is unknown [rust_2021_prefixes_incompatible_syntax] |
| //~| WARNING hard error in Rust 2021 |
| } |
| |
| macro_rules! quote { |
| (# name = # kind # value) => {}; |
| } |
| |
| quote! { |
| #name = #kind #value |
| //~^ WARNING prefix `kind` is unknown [rust_2021_prefixes_incompatible_syntax] |
| //~| WARNING hard error in Rust 2021 |
| } |
