rust/tests/ui/parser/attribute/attr-unquoted-ident.rs
2024-05-10 09:16:27 +02:00

26 lines
761 B
Rust

//@ compile-flags: -Zdeduplicate-diagnostics=yes
#![allow(unexpected_cfgs)]
fn main() {
#[cfg(key=foo)]
//~^ ERROR expected unsuffixed literal, found `foo`
//~| HELP surround the identifier with quotation marks to make it into a string literal
println!();
#[cfg(key="bar")]
println!();
#[cfg(key=foo bar baz)]
//~^ ERROR expected unsuffixed literal, found `foo`
//~| HELP surround the identifier with quotation marks to make it into a string literal
println!();
}
// Don't suggest surrounding `$name` or `nickname` with quotes:
macro_rules! make {
($name:ident) => { #[doc(alias = $name)] pub struct S; }
//~^ ERROR expected unsuffixed literal, found `nickname`
}
make!(nickname); //~ NOTE in this expansion