I'm going through Adam Wilson's talk 'C# to D' and I've gotten
hung up by one of his examples regarding generic programming in
D. Specifically, I'm trying to implement the code example found
here: http://youtu.be/6_xdfSVRrKo?t=16m44s.
I created a templateExp.d file that looks like this:
When I run the dmd compiler, I get this error:
dmd templateExp.d
teamplteExp.d(12): Error: class teamplteExp.SomeClass(T :
BaseClass) is used as a type
This is actually:
templateExp.d(12): Error: class templateExp.SomeClass(T :
BaseClass) is used as a type
On Saturday, 5 July 2014 at 16:47:32 UTC, quakkels wrote:
I'm going through Adam Wilson's talk 'C# to D' and I've gotten
hung up by one of his examples regarding generic programming in
D. Specifically, I'm trying to implement the code example found
here: http://youtu.be/6_xdfSVRrKo?t=16m44s.
On Saturday, 5 July 2014 at 17:17:03 UTC, quakkels wrote:
try SomeClass (T): BaseClass
Not sure which line you want me to change. I don't want
SomeClass to inherit from BaseClass. Rather, I want T to be
restricted to classes that inherit from BaseClass.
When I change `class SomeClass(T :
try SomeClass (T): BaseClass
Not sure which line you want me to change. I don't want SomeClass
to inherit from BaseClass. Rather, I want T to be restricted to
classes that inherit from BaseClass.
When I change `class SomeClass(T : BaseClass)` to `class
SomeClass(T) : BaseClass` I still get
ah, sorry, I misunderstood. It looks like you need to change
the lin
auto sc = new SomeClass ();
to
auto sc = new SomeClass!BaseClass ();
The compiler complains because SomeClass is a template when you
call SomeClass() without !() template parameters. It only
becomes a type once
