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Subject: Re: [Boost-users] shared_ptr and && operator
From: Robert Dailey (rcdailey_at_[hidden])
Date: 2009-06-08 15:21:17


On Mon, Jun 8, 2009 at 2:16 PM, Steven Watanabe <watanabesj_at_[hidden]>wrote:

> AMDG
>
>
> Robert Dailey wrote:
>
>> Just wondering what happens if I do this:
>>
>> boost::shared_ptr<Foo> foo;
>> boost::shared_ptr<Bar> bar;
>> if( foo && bar )
>> {
>> // Do stuff if both pointers are valid...
>> }
>>
>> I did not see an overloaded && operator in the interface of the class.
>> When
>> using normal pointer semantics, this code is valid through implicit
>> conversion of a pointer value to a boolean type.
>>
>>
>
> The same applies to shared_ptr.
> http://www.boost.org/libs/smart_ptr/shared_ptr.htm#conversions

Thanks. I figured this was the case but I guess I was just having trouble
finding the header file in which this casting operator is implemented. I
appreciate the answers to my embarrassingly obvious question.



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