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30 lines
651 B
Rust
30 lines
651 B
Rust
//@ check-pass
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//@ compile-flags: -Z span-debug --error-format human
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//@ proc-macro: test-macros.rs
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#![feature(rustc_attrs)]
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#![feature(stmt_expr_attributes)]
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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! produce_it {
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($expr:expr) => {
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#[derive(Print)]
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struct Foo(
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[bool; #[cfg_attr(not(FALSE), rustc_dummy(first))] $expr]
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);
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}
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}
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produce_it!(#[cfg_attr(not(FALSE), rustc_dummy(second))] {
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#![cfg_attr(not(FALSE), rustc_dummy(third))]
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#[cfg_attr(not(FALSE), rustc_dummy(fourth))]
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30
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});
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fn main() {}
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