use 'var : type' for variables, instead of 'var -> type'

Author: Sarcasm

src/clang_complete.cc

@@ -250,7 +250,12 @@ void BuildCompletionItemTexts(std::vector<lsCompletionItem>& out,
 
   if (!result_type.empty()) {
     for (unsigned i = out_first; i < out.size(); ++i) {
-      out[i].label += " -> ";
+      if (out[i].label == out[i].filterText) {
+        // for variable, use ' : ' instead of ' -> '
+        out[i].label += " : ";
+      } else {
+        out[i].label += " -> ";
+      }
       out[i].label += result_type;
     }
   }