[Haskell-cafe] Array, Vector, Bytestring

[Peter Simons]

Hi Tom,

 > On Tue, Jun 04, 2013 at 04:01:37PM +0200, Peter Simons wrote:
 >>  > How is this a problem?
 >>  >
 >>  > If you're representing text, use 'text'.
 >>  > If you're representing a string of bytes, use 'bytestring'.
 >>  > If you want an "array" of values, think c++ and use 'vector'.
 >>
 >> the problem is that all those packages implement the exact same data
 >> type from scratch, instead of re-using an implementation of a
 >> general-purpose array internally. That is hardly desirable, nor is it
 >> necessary.
 >
 > Just to clarify for those on the sidelines, the issue is duplication of
 > implementation details, rather than duplication of functionality?

I am not sure what the terms "duplication of implementation details" and
"duplication of functionality" mean in this context. Could you please
explain how these two concepts differ in your opinion?

Take care,
Peter