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warning: non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module
--> $DIR/auxiliary/nested-macro-rules.rs:7:9
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LL | macro_rules! outer_macro {
| ------------------------ in this expansion of `nested_macro_rules::outer_macro!`
...
LL | / macro_rules! inner_macro {
LL | | ($bang_macro:ident, $attr_macro:ident) => {
LL | | $bang_macro!($name);
LL | | #[$attr_macro] struct $attr_struct_name {}
LL | | }
LL | | }
| |_________^
|
::: $DIR/nested-macro-rules.rs:23:5
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LL | nested_macro_rules::outer_macro!(SecondStruct, SecondAttrStruct);
| ---------------------------------------------------------------- in this macro invocation
|
= help: remove the `#[macro_export]` or move this `macro_rules!` outside the of the current function `main`
= note: a `macro_rules!` definition is non-local if it is nested inside an item and has a `#[macro_export]` attribute
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
note: the lint level is defined here
--> $DIR/nested-macro-rules.rs:8:9
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LL | #![warn(non_local_definitions)]
| ^^^^^^^^^^^^^^^^^^^^^
warning: 1 warning emitted
|
