Feedback Thread: DIP 1033--Implicit Conversion of Expressions to Delegates--Final Review

Manu turkeyman at
Mon Nov 23 08:09:15 UTC 2020

On Fri, Nov 20, 2020 at 5:35 PM Mike Parker via Digitalmars-d <
digitalmars-d at> wrote:

> [...]

I'd just like to make sure a reference to my concern about hidden implicit
allocations that I made in the comments thread is present here.

I would strongly appeal to amend the DIP to only apply to `scope`
delegates, such that they may (should? must?) stack allocate. Non-scope
delegates require typical `() =>` syntax, which is important because it is
possible to SEE the allocation.
Potential for invisible closure allocations at every argument to every
function call in D is terrifying to me.

Otherwise, I like this DIP.
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