• Vathix <vathix dprogramming.com> Mar 02 2004
• Justin Henzie <Justin_member pathlink.com> Mar 03 2004
• Sean Kelly <sean ffwd.cx> Mar 03 2004

Vathix <vathix dprogramming.com> writes:

Should this cast work? the assertion fails:


interface IFoo { }
class Foo: IFoo { }

int main()
{
    IFoo f = new Foo;
    assert(cast(Foo)f !== null);
    return 0;
}


-- 
Christopher E. Miller

Justin Henzie <Justin_member pathlink.com> writes:

is the !== deliberate or a typo?


In article <c21jug$1dhe$1 digitaldaemon.com>, Vathix says...
Should this cast work? the assertion fails:


interface IFoo { }
class Foo: IFoo { }

int main()
{
    IFoo f = new Foo;
    assert(cast(Foo)f !== null);
    return 0;
}


-- 
Christopher E. Miller

Sean Kelly <sean ffwd.cx> writes:

Justin Henzie wrote:

 is the !== deliberate or a typo?


Deliberate.  D uses a few odd comparison operators to differentiate 
whether the objects themselves are being compared or jus the references 
to them.

Sean