23 lines
623 B
Rust
23 lines
623 B
Rust
//@ 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! def_site {
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() => { "{foo}" } //~ ERROR: there is no argument named `foo`
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}
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macro_rules! call_site {
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($fmt:literal) => { $fmt }
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}
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fn main() {
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format!(concat!("{foo}")); //~ ERROR: there is no argument named `foo`
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format!(concat!("{ba", "r} {}"), 1); //~ ERROR: there is no argument named `bar`
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format!(def_site!());
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format!(call_site!("{foo}")); //~ ERROR: there is no argument named `foo`
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format!(foo_with_input_span!("")); //~ ERROR: there is no argument named `foo`
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}
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