Add support for Coc.nvim.

sources_non_forked/coc.nvim/autoload/coc/dict.vim

@@ -0,0 +1,32 @@
+scriptencoding utf-8
+
+function! coc#dict#equal(one, two) abort
+  for key in keys(a:one)
+    if a:one[key] != a:two[key]
+      return 0
+    endif
+  endfor
+  return 1
+endfunction
+
+" Return new dict with keys removed
+function! coc#dict#omit(dict, keys) abort
+  let res = {}
+  for key in keys(a:dict)
+    if index(a:keys, key) == -1
+      let res[key] = a:dict[key]
+    endif
+  endfor
+  return res
+endfunction
+
+" Return new dict with keys only
+function! coc#dict#pick(dict, keys) abort
+  let res = {}
+  for key in keys(a:dict)
+    if index(a:keys, key) != -1
+      let res[key] = a:dict[key]
+    endif
+  endfor
+  return res
+endfunction