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convertion problem - No conversion from 'A@&' to 'B@' available.

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#1 FDsagizi   Members   

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Posted 15 February 2013 - 02:38 AM

Hi smile.png

I think variant "b is a" - valid, but compiler say no

 

class A{}
class B : A{}


void startGame( string &param )
{
    A @a;
    B @b;
    
    if( a is b )
    {}
    
    if( b is a ) //  No conversion from 'A@&' to 'B@' available.
    {}
}
 


#2 Andreas Jonsson   Moderators   

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Posted 15 February 2013 - 07:03 AM

Yes, you're probably right. The compiler should probably try an implicit cast of the first operand if the implicit cast of the second operand is not possible.

 

I'll look into this.


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