Why is std.algorithm so complicated to use?

[Christophe Travert]

Jacob Carlborg , dans le message (digitalmars.D:171725), a écrit :
>> To make the best implementation would require to know how the String
>> context works.
>>
> String is a wrapper around str.array.Appender.

Then, if the purpose is to make the code efficient, I would use the loop 
and append everything to the result without creating the params array, 
and even without creating the string p. Appender is made to append 
everything directly to it efficiently.