| error[E0659]: `std` is ambiguous |
| --> $DIR/ambiguity-macros-nested.rs:8:13 |
| | |
| LL | pub use std::io; |
| | ^^^ ambiguous name |
| | |
| = note: ambiguous because of a conflict between a macro-expanded name and a less macro-expanded name from outer scope during import or macro resolution |
| = note: `std` could refer to a built-in crate |
| = help: use `::std` to refer to this crate unambiguously |
| note: `std` could also refer to the module defined here |
| --> $DIR/ambiguity-macros-nested.rs:13:13 |
| | |
| LL | / mod std { |
| LL | | pub struct io; |
| LL | | } |
| | |_____________^ |
| ... |
| LL | m!(); |
| | ---- in this macro invocation |
| = help: use `self::std` to refer to this module unambiguously |
| = note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0659`. |
