22 lines
433 B
Rust
22 lines
433 B
Rust
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// aux-build:format-string-proc-macro.rs
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#[macro_use]
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extern crate format_string_proc_macro;
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macro_rules! identity_mbe {
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($tt:tt) => {
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$tt
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//~^ ERROR there is no argument named `a`
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};
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}
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fn main() {
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let a = 0;
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format!(identity_pm!("{a}"));
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//~^ ERROR there is no argument named `a`
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format!(identity_mbe!("{a}"));
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format!(concat!("{a}"));
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//~^ ERROR there is no argument named `a`
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}
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