Re: immutable string type

[Paul Eggert]

On 12/28/19 3:17 AM, Bruno Haible wrote:

> Would you find it useful to have an immutable string type in gnulib?

Sounds useful. I assume you plan to generalize it to any type; something like 
this:

  p = immalloc (sizeof *p);
  p->x = whatever; p->y = something; ...
  imfreeze (p, sizeof *p);
  [no changes to *p allowed here]
  imfree (p);

imfreeze can be a no-op unless debugging.

Oh, I see that Tim Rühsen has the same idea.

I prefer the prefix "im" to "i" for immutable, as plain "i" could stand for a
lot of things. (Plus, "imasprintf" rolls off the tongue better. :-)