error: cannot export macro_rules! macros from a `proc-macro` crate type currently
--> $DIR/export-macro.rs:9:1
|
-LL | / macro_rules! foo {
-LL | | ($e:expr) => ($e)
-LL | | }
- | |_^
+LL | macro_rules! foo {
+ | ^^^^^^^^^^^^^^^^
error: aborting due to previous error