[erlang-questions] hmac sha256 erlang
Sun May 8 23:42:59 CEST 2011
In the docs for binary:copy it says:
"This function will always create a new binary, even if N = 1. By using copy/1 on a binary referencing a larger binary, one might free up the larger binary for garbage collection."
Although there is a caveat saying that it might be actually useful in special cases.
----- "Steve Davis" <steven.charles.davis@REDACTED> wrote:
> Maybe not but in this case it seems marginally faster and I can't see
> any other impact?
> I'm definitely open to correction/enlightenment, but I don't see why
> not here!
> On May 6, 4:43 pm, Robert Virding <robert.vird...@REDACTED
> solutions.com> wrote:
> > Why would you want to do binary:copy here? It is not what it is
> intended for.
> > Robert
> > ----- "Steve Davis" <steven.charles.da...@REDACTED> wrote:
> > > ...though now I would favor binary:copy instead of
> > > list_to_binary(lists:duplicate()), but that depends on what OTP
> > > version you have...
> > > /s
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