use emplace

Allows removing the constructor name as emplace forwards the arguments
directly.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

src/commands/CmdEdit.cpp

@@ -656,7 +656,7 @@ void CmdEdit::parseTask (Task& task, const std::string& after, const std::string
         while (annotations.find (name.str ()) != annotations.end ());
 
         auto text = Lexer::trim (value.substr (gap + 4), "\t ");
-        annotations.insert (std::make_pair (name.str (), text));
+        annotations.emplace (name.str (), text);
       }
     }
   }

src/commands/CmdGet.cpp

@@ -67,9 +67,9 @@ int CmdGet::execute (std::string& output)
         Task t;
         Variant result;
         if (getDOM (arg.attribute ("raw"), t, result))
-          results.push_back ((std::string) result);
+          results.emplace_back (result);
         else
-          results.push_back ("");
+          results.emplace_back ("");
       }
       break;