ft:代码优化

src/eFmt.erl

@@ -242,9 +242,10 @@ fScan(Format, Args) ->
 doCollect(FmtBinStr, Args, Acc) ->
    case binary:split(FmtBinStr, <<"~">>) of
       [NotMatch] ->
-         [NotMatch | Acc];
+         true = [] == Args,
+         ?IIF(NotMatch == <<>>, Acc, [NotMatch | Acc]);
       [FPart, LPart] ->
-         doCollWidth(LPart, Args, 0, right, [FPart | Acc])
+         doCollWidth(LPart, Args, 0, right, ?IIF(FPart == <<>>, Acc, [FPart | Acc]))
    end.
 
 doCollWidth(<<>>, _Args, _Width, _Adjust, Acc) ->