[erlang-questions] '--' BIF to be used with caution?
Tue Feb 10 09:44:20 CET 2009
On Mon, Feb 9, 2009 at 1:20 AM, Richard O'Keefe <> wrote:
> On 6 Feb 2009, at 3:30 am, Malcolm Dowse wrote:
> > I don't mind too much if '--' remains O(N^2). But the fact that it
> > made ERTS unresponsive is more of a worry, to me, because this
> > seemed to go against the spirit of the language.
> Since -- is seriously inefficient (you can easily get O(|l1|.lg|l2|)
> in pure Erlang, so what's the point of doing O(|l1|.|l2|) in C?),
> why not fix the blocking issue by just turning it into ordinary
> Erlang code? Is there any reason why an operator can't be implemented
> in Erlang?
It's easy, constants for serious amount |2|.
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