> # Interactive
> cat_line(interactive)
Error: dispatched!
Call `rlang::last_error()` to see a backtrace.
Execution halted

> # Non-interactive
> cat_line(non_interactive)
Error: dispatched!
Backtrace:
    █
 1. └─global::f()
 2.   └─global::g()
 3.     └─global::h()
Execution halted

