vim-polyglot/syntax/vimgo.vim

if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'go') == -1
  
if exists("b:current_syntax")
    finish
endif

let b:current_syntax = "vimgo"

syn match   goInterface /^\S*/
syn region  goTitle start="\%1l" end=":"

hi def link goInterface Type
hi def link goTitle Label

endif