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reserved-prefixes-migration.rs
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reserved-prefixes-migration.rs
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//@ 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
}
// ferrocene-annotations: fls_xa7lp0zg1ol2
// Declarative Macros
//
// ferrocene-annotations: fls_8nzypdu9j3ge
// Metavariables
//
// ferrocene-annotations: fls_vnvt40pa48n8
// Macro Invocation
//
// ferrocene-annotations: fls_wjldgtio5o75
// Macro Expansion
//
// ferrocene-annotations: fls_4apk1exafxii
// Macro Matching
//
// ferrocene-annotations: fls_n3ktmjqf87qb
// Rule Matching
//
// ferrocene-annotations: fls_qpx6lgapce57
// Token Matching