Re: [boost] [util] Any interest in address_of_first_nonarray_elem ?

Subject: Re: [boost] [util] Any interest in address_of_first_nonarray_elem ?
From: Joaquin M Lopez Munoz (joaquin_at_[hidden])
Date: 2013-12-02 02:56:41

Mostafa <mostafa_working_away <at> yahoo.com> writes:

> 
> Working with built-in array objects I find myself repeatedly needing to  
> get the address of the first non-array element. This is so I can do  
> generic array comparisons and copies without resorting to multiple loops.  
> For example:
> 
> template <typename T, std::size_t N>
> bool generic_array_equal(T (&lhs)[N], T const (&rhs)[N])
> {
>    return std::equal(
>      address_of_first_nonarray_elem(lhs),
>      address_of_first_nonarray_elem(lhs) + total_extent<T[N]>::size,
>      address_of_first_nonarray_elem(rhs));
> }
> 
> Any interest in adding such a function to the util library?

Why the "non"? Shouldn't the name be "address_of_first_array_elem"?
How is this different from std::begin(lhs)?

Joaquín M López Muñoz
Telefónica Digital