checkedint call removal

[Walter Bright via Digitalmars-d]

On 7/30/2014 8:09 PM, Tofu Ninja wrote:
> When is the appropriate time to use an assert? If an assert
> should not be used on input, then any thing that can't be
> statically known is considered an input and anything that is
> derived from an input is also an input... so when can we use an
> assert? The only things left it seems are things know at compile
> time and at that point what is the the point of having assert
> when we have static assert...

Asserts are used to verify the logic of your code is correct:

    x = y + y;
    assert(x == 2 * y);