IIRC os.Open includes the pathname of the file it’s operating on. But still, if you don’t wrap your errors, you get useless errors which are unlocatable. Wrappi

IIRC os.Open includes the pathname of the file it’s operating on. But still, if you don’t wrap your errors, you get useless errors which are unlocatable. Wrapping is essential in go. Thankfully the STL has good facilities for adding relevant data (like pathnames) to your wrapping