Optional parameters?

[Jonathan M Davis]

On Sunday, April 01, 2018 22:06:57 Boris-Barboris via Digitalmars-d-learn 
wrote:
> On Sunday, 1 April 2018 at 15:54:16 UTC, Steven Schveighoffer
>
> wrote:
> > I currently have a situation where I want to have a function
> > that accepts a parameter optionally.
>
> I would simply use a pointer for this. Fighting D grammar seems
> too much of a hassle for such simple task.

How would a pointer help? Instead of doing

foo(nullable(42))

he'd have to do

foo(new int(42))

which is just one character shorter and ends up allocating on the heap,
unlike with Nullable.

- Jonathan M Davis