• J Anderson (35/35) Apr 17 2004 //module 1

J Anderson <REMOVEanderson badmama.com.au> writes:

//module 1
template constArray(T) //This would be in another module
{
    struct Array
    {
        private T [] array;
       
        static Array opCall(T [] array)
        {
            Array t;
            t.array = array;
            return t;
        }
        T opIndex(int i) { return array[i]; }
        int length() { return array.length; }
    }
}

alias constArray!(int).Array constA;

//module 2

void test(constA array)
{
    int x = array[0];

//You just can't change the array variable (well at least not without 
force).

}

void main()
{
    int [] a;
    a ~= 10;
    a ~= 30;
    test(constA(a)); //Ok there's a small bit of extra typing -> if D 
only had automatic boxing....
}

-- 
-Anderson: http://badmama.com.au/~anderson/