On 12-07-2012 19:32, Andrei Alexandrescu wrote:
On 7/12/12 12:24 PM, Daniel Murphy wrote:
"Jonas Drewsen"<jdrew...@nospam.com> wrote in message
news:zwtvliaunccmtwmab...@forum.dlang.org...
auto a = foo ?? new Foo();
is short for:
auto a = foo is null ? new Foo() : foo;
/Jonas
Yeah, I've been planning to try and get this into D one day. Probably
something like:
(a ?: b) -> (auto __tmp = a, __tmp ? __tmp : b)
gcc used to have that extension and they dropped it...
Andrei
But on the other hand, C# has had it from day one and it's still widely
used and encouraged today:
http://msdn.microsoft.com/en-us/library/ms173224(v=vs.110).aspx
I find it to be a useful little feature when I have to deal with
possibly-null values.
--
Alex Rønne Petersen
a...@lycus.org
http://lycus.org
