roundtrip.md
In styler: Non-Invasive Pretty Printing of R Code

correct styling does not give an error

Code
  verify_roundtrip("1+1", "1 + 1")

corrupt styling does give an error

The expression evaluated before the styling is not the same as the expression after styling. This should not happen.
i This is an internal error that was detected in the styler package.
  Please report it at <https://github.com/r-lib/styler/issues> with a reprex (<https://tidyverse.org/help/>) and the full backtrace.