error: recursion limit reached while expanding `recursive!` --> $DIR/infinite-macro-expansion.rs:2:12 | LL | () => (recursive!()) | ^^^^^^^^^^^^ ... LL | recursive!() | ------------ in this macro invocation | = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`infinite_macro_expansion`) = note: this error originates in the macro `recursive` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 1 previous error