[erlang-questions] term_to_binary and record improvements

[Bjorn Gustavsson]

On Fri, Aug 29, 2008 at 10:03 AM, Ulf Wiger (TN/EAB) <ulf.wiger@REDACTED
> wrote:

>
> BEAM already has the ability to do sharing-preserving copy:
> the garbage collector obviously does it. But the feature is
> not available to the lowly Erlang programmer.
>

It is easy to preserve sharing if you are allowed to destroy the source term
(as in the garbage collector).

Preserving sharing when copying a term (i.e. not destroying the source term)
is harder and
WILL be slower compared to not preserve sharing.

/Bjorn

-- 
Björn Gustavsson, Erlang/OTP, Ericsson AB
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