Mixed
The functions look right at first glance but often had subtle errors
mrguyorama on Hacker News
In the thread “The port I couldn't ship”
Helped: Translating simple, self-contained Python functions to Java with reasonable types.
Got in the way: Subtle bugs, redundant utility functions, and failure on complex dispatch logic.
… So now we have 4 broken date parsing functions and 1 working one and that will be a pain that we have to fix in the new year. The functions look right at first glance but often had subtle errors. Other times the ported functions had parts where it just gave up and ignored things? …