Re: [Boost-users] multi_array resize question

Subject: Re: [Boost-users] multi_array resize question
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2009-01-13 21:22:28

AMDG

Wilfried Holzke wrote:
> The documentation from multi_array says that if elements are added while
> reszize is called, the new elements are initialized with the default
> constructor. I have the following:
>
> typedef boost::multi_array<Object*, 2> Array_Type;
>
> What is the default constructor of a pointer?
>
> Or do need to do the following:
>
> class ptr {
> public:
> 	ptr() {
> 	 	p = 0;
> 	}
> 	Object *p;
> }
>
>
> typedef boost::multi_array<ptr, 2> Array_Type;
>
> ... to get all new elements to bee zero-pointers?
>   

Actually, the new elements are value initialized, rather than
default constructed, so pointers will be 0.

In Christ,
Steven Watanabe