DIP: Tail call optimization
Dmitry Olshansky via Digitalmars-d-announce
digitalmars-d-announce at puremagic.com
Tue Jul 12 03:46:01 PDT 2016
On Sunday, 10 July 2016 at 05:03:46 UTC, Dietrich Daroch wrote:
> Hi everyone (=
>
> I've just added a new proposal to add a new attribute to ensure
> TCO is applied.
>
> The proposal is really simple, but I'm clueless on how to
> implement it and also interested on getting feedback on it.
>
In contrast to what many folks expect, TCO is affecting program
semantics in a way that changes stack overflow to normal
execution.
Therefore it's not an optimization but part of semantics, and
there should be a way to mark a call as a tail-call in any
optimization level.
It was a big road block for me when I tried to implement
threaded-code interpreter, because it will stack overflow in
debug mode.
>
> The proposal it's ready for merge on the new [DIPs
> repo](https://github.com/dlang/DIPs/pull/6)
>
> --
> Dietrich
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