Re: [boost] What is the easiest way to assign mulitply value for a defined number array?

From: Jonathan Wakely (cow_at_[hidden])
Date: 2005-05-05 05:30:08

On Thu, May 05, 2005 at 06:10:32PM +0800, zlf wrote:

> Hi all,
>     What is the easiest way to assign mulitply value for a defined number 
> array?
> 
>     Assigning mulitply elements' value when defining like this will be OK.
>         int test [ 2 ] = { 1 , 2 };
> 
>     If I want to assign value for the number array [test] after defining it. 
> I only know I can achieve this by the following step.
> 
>         int test [ 2 ];
>         test [ 0 ] = 1;
>         test [ 1 ] = 2;
> 
>     [int test [ 2 ]; test = { 1 , 2 };] seems easy and reasonable. But 
> executing it will get a compile error. What is the easiest way to assign 
> mulitply value for a defined number array? Thx

Using nothing non-std you can initialise another array and copy from it:

    int test [ 2 ];
    // ...
    int tmp[2] = { 1, 2 };
    std::copy(tmp, tmp+2, test);