Golang errcheck
From wikinotes
Checks for ignored errors within your application.
Documentation
github https://github.com/kisielk/errcheck
Install
go install github.com/kisielk/errcheck@latest
Tips/Tricks
Vim Quickfix
:call setqflist([], ' ', {'lines': systemlist('errcheck .')}) | copen | wincmd w | wincmd J " show errors in quickfix