mirror of https://github.com/rust-lang/rust
30 lines
524 B
Rust
30 lines
524 B
Rust
// Check what token streams proc macros see when interpolated tokens are passed to them as input.
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//@ check-pass
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//@ edition:2018
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//@ aux-build:test-macros.rs
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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! pass_ident {
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($i:ident) => {
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fn f() {
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print_bang!($i);
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}
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#[print_attr]
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const $i: u8 = 0;
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#[derive(Print)]
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struct $i {}
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};
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}
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pass_ident!(A);
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fn main() {}
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