vimrc: further configuration

vim/after/ftplugin/go.vim

@@ -22,6 +22,7 @@ nnoremap <silent> ds :GoDebugStep<cr>
 
 " Vim-Go configuration
 let g:go_gopls_enabled = 0
+let g:go_def_mapping_enabled = 0
 let g:go_fmt_autosave = 0
 " TODO: move to vim-lsp
 let g:go_imports_autosave = 1

vimrc

@@ -119,7 +119,6 @@ map <c-t> <esc>:tabnew<cr>
 " Select just-pasted text:
 nnoremap <silent> <leader>0 `[v`]
 nnoremap <silent> <leader>1 :set relativenumber!<cr>
-nnoremap <silent> <leader>2 :call SwitchBackground()<cr>
 map <leader>m :marks<cr>
 map <leader>R :ALERename<cr>
 map <leader>v :vsplit<cr>
@@ -268,8 +267,12 @@ let g:lsp_settings = {
       \       'unusedparams': v:true,
       \       'unusedresult': v:true,
       \       'shadow': v:true,
+      \       'nilness': v:true,
+      \       'unusedwrite': v:true,
       \     },
       \     'staticcheck': v:true,
+      \     'hoverKind': 'SynopsisDocumentation',
+      \     'linksInHover': v:false,
       \ }}}
 let g:lsp_diagnostics_float_cursor = 1
 let g:lsp_diagnostics_float_delay = 200
@@ -280,9 +283,9 @@ let g:lsp_document_highlight_delay = 500
 
 function! s:on_lsp_buffer_enabled() abort
     setlocal omnifunc=lsp#complete
-    setlocal signcolumn=yes
     " number may be clobbered by vim-fugitive?
     setlocal number
+    setlocal signcolumn=yes
 
     " Jump to definitions
     nmap <buffer> gd <plug>(lsp-definition)
@@ -314,6 +317,7 @@ function! s:on_lsp_buffer_enabled() abort
     nmap <buffer> <leader>i <plug>(lsp-implementation)
     nmap <buffer> <leader>r <plug>(lsp-references)
     nmap <buffer> <leader>d <plug>(lsp-hover)
+    nmap <buffer> <leader>o :LspCodeAction source.organizeImports<cr>
 
     nmap <buffer> <leader>e <plug>(lsp-rename)
 endfunction