mirror of https://github.com/rust-lang/rust
25 lines
653 B
Rust
25 lines
653 B
Rust
// Proc macros using `mixed_site` spans exhibit usual properties of `macro_rules` hygiene.
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//@ aux-build:mixed-site-span.rs
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#[macro_use]
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extern crate mixed_site_span;
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struct ItemUse;
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fn main() {
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'label_use: loop {
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let local_use = 1;
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proc_macro_rules!();
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//~^ ERROR use of undeclared label `'label_use`
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//~| ERROR cannot find value `local_use` in this scope
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ItemDef; // OK
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local_def; //~ ERROR cannot find value `local_def` in this scope
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}
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}
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macro_rules! pass_dollar_crate {
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() => (proc_macro_rules!($crate);) //~ ERROR cannot find type `ItemUse` in crate `$crate`
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}
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pass_dollar_crate!();
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