mirror of https://github.com/rust-lang/rust
27 lines
490 B
Rust
27 lines
490 B
Rust
// Regression test for issue #75734
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// Ensures that we don't lose tokens when pretty-printing would
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// normally insert extra parentheses.
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//@ check-pass
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//@ aux-build:test-macros.rs
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//@ compile-flags: -Z span-debug
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#![no_std] // Don't load unnecessary hygiene information from std
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extern crate std;
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#[macro_use]
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extern crate test_macros;
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macro_rules! mul_2 {
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($val:expr) => {
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print_bang!($val * 2);
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};
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}
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#[print_attr]
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fn main() {
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&|_: u8| {};
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mul_2!(1 + 1);
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}
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