Re: Performance of String Operations

[Xah Lee]

On Oct 10, 11:41 pm, Nordlöw <per.nord...@gmail.com> wrote:
> Does Emacs contain append/prepend/concat functions for strings that
> modify one of its (first) arguments (for side effects only)?
>
> If so, why not?: Isn't such a function crucial to the performance of a
> language, regarding that strings is such a common object type?
>
> Or does the Emacs compiler optimize such things? Can I somehow
> investigate how Emacs has optimized my lisp code?
>

Hi Nordlöw,

i don't quite understand your question.

> modify one of its (first) arguments

?

> (for side effects only)?

?

you mean modify a variable fed to the string function, or something
like that?

functional languages don't do that in general.

  Xah
∑ http://xahlee.org/

☄