vim-godef
gd , gs for open function defined
INSTALL
Before you install , you should installed Vundle and vim-go
Plugin 'relunctance/vim-godef'
If go version <= 1.11 you should set g:go_def_mode="guru"
in you .vimrc
let g:go_def_mode='guru'
If go version >1.11 you should set g:go_def_mode="gopls"
in you .vimrc
let g:go_def_mode='gopls'
Useage
gd
open defined content in left windowgs
open defined content in a new tab windowgm
open defined content in upper window