On 19/07/2014 10:32, Kagamin wrote:
Try to define a constructor with parameters, then compiler won't
generate the default constructor, so the parameterless opCall won't be
hidden.
That only works for classes, not structs.
Try to define a constructor with parameters, then compiler won't
generate the default constructor, so the parameterless opCall
won't be hidden.
On 17/07/2014 18:56, Dicebot wrote:
It has never worked properly (opCall never got called) and being a bad
style going against language design rationale it was completely banned.
More info: https://issues.dlang.org/show_bug.cgi?id=12124
Thanks for the link. We need a note in the changelog
On 17/07/2014 18:58, Dicebot wrote:
(for Unique probably disabling default constructor makes most sense)
I'm not sure about that, default construction is useful to be able to
delay resource creation:
Unique!S u1;
...
u1 = unique!S(); // factory function
To allow that but
Hi,
I'm trying to update std.typecons.Unique. I want to add a static opCall
with no arguments to simulate a nullary-argument constructor.
Unfortunately, with a recent dmd from Git, I get this (reduced code):
class Class {}
struct U
{
Class c;
this(A...)(A args)
if (A.length !=
On 17/07/2014 18:11, Nick Treleaven wrote:
opcall.d(24): Error: struct opcall.U static opCall is hidden by
constructors and can never be called
opcall.d(24):Please use a factory method instead, or replace all
constructors with static opCall.
I should mention that std.typecons.Unique
On Thursday, 17 July 2014 at 17:11:29 UTC, Nick Treleaven wrote:
I want to add a static opCall with no arguments to simulate a
nullary-argument constructor.
Please don't do it unless you have a _very_ compelling use case.
As nullary static opCall doesn't conflict with a nullary
constructor
(for Unique probably disabling default constructor makes most
sense)
