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

[Nick Treleaven]

On Monday, 23 November 2020 at 08:01:00 UTC, Manu wrote:
> This is a restriction that can be trivially lifted in the 
> future if the
> pattern you describe is prolific and my suggestion is proven to 
> be
> cumbersome, but it's virtually impossible to add the 
> restriction in the
> future once the cat is already out of the bag.
> I am _deeply_ concerned by a core  language syntax that may 
> invisibly result
> in random allocations at any function callsite.

+1, absolutely. In a systems language the caller should always be 
aware whether the function scope is heap-allocated or not. This 
is about performance, predictability and easier code review. 
(It's not just for those wishing to minimise use of the GC).