Updated plugins

sources_non_forked/vim-go/autoload/go/alternate.vim

@@ -0,0 +1,30 @@
+" By default use edit (current buffer view) to switch
+if !exists("g:go_alternate_mode")
+  let g:go_alternate_mode = "edit"
+endif
+
+" Test alternates between the implementation of code and the test code.
+function! go#alternate#Switch(bang, cmd)
+  let l:file = go#alternate#Filename(fnameescape(expand("%")))
+  if !filereadable(l:file) && !bufexists(l:file) && !a:bang
+    redraws! | echon "vim-go: " | echohl ErrorMsg | echon "couldn't find ".file | echohl None
+    return
+  elseif empty(a:cmd)
+    execute ":" . g:go_alternate_mode . " " . file
+  else
+    execute ":" . a:cmd . " " . file
+  endif
+endfunction
+
+" Filename returns the name of the test file or implementation file
+" depending on the arguments
+function! go#alternate#Filename(path)
+  if empty(matchstr(a:path, "_test"))
+    let l:root = split(a:path, ".go$")[0]
+    let l:file = l:root . "_test.go"
+  else
+    let l:root = split(a:path, "_test.go$")[0]
+    let l:file = l:root . ".go"
+  endif
+  return l:file
+endfunction