ft: 修改为二进制匹配

src/eFmt.erl

@@ -323,7 +323,7 @@ writeAtom(Atom, Encoding) ->
 writeList([], _D, _E, BinAcc) ->
    <<BinAcc/binary, "]">>;
 writeList([One], D, E, BinAcc) ->
-   <<BinAcc/binary, ",", (writeTerm(One, D, E))/binary, "]">>;
+   <<BinAcc/binary, (writeTerm(One, D, E))/binary, "]">>;
 writeList([One | List], D, E, BinAcc) ->
    if
       D =:= 1 -> <<BinAcc, "|...]">>;