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23 lines
407 B
Rust
23 lines
407 B
Rust
// Regression test for the issue #63460.
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// check-pass
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#[macro_export]
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macro_rules! separator {
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() => { "/" };
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}
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#[macro_export]
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macro_rules! concat_separator {
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( $e:literal, $($other:literal),+ ) => {
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concat!($e, $crate::separator!(), $crate::concat_separator!($($other),+))
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};
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( $e:literal ) => {
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$e
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}
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}
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fn main() {
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println!("{}", concat_separator!(2, 3, 4))
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}
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