rust/tests/ui/fmt/format-args-capture-macro-hygiene.rs
2024-02-16 20:02:50 +00:00

23 lines
623 B
Rust

//@ aux-build:format-string-proc-macro.rs
#[macro_use]
extern crate format_string_proc_macro;
macro_rules! def_site {
() => { "{foo}" } //~ ERROR: there is no argument named `foo`
}
macro_rules! call_site {
($fmt:literal) => { $fmt }
}
fn main() {
format!(concat!("{foo}")); //~ ERROR: there is no argument named `foo`
format!(concat!("{ba", "r} {}"), 1); //~ ERROR: there is no argument named `bar`
format!(def_site!());
format!(call_site!("{foo}")); //~ ERROR: there is no argument named `foo`
format!(foo_with_input_span!("")); //~ ERROR: there is no argument named `foo`
}