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
Notes
VimPlugin:: vim-go has a pretty nice setup for ErrCheck, it might be nice to take inspiration from that.
https://github.com/fatih/vim-go/blob/master/autoload/go/lint.vim#L296-L375