pub open spec fn wrapping_add_isize(a: int, b: int) -> int
Expand description
{
    if a + b > (<isize>::MAX as int) {
        a + b - ((<isize>::MAX as int) - (<isize>::MIN as int) + 1)
    } else if a + b < (<isize>::MIN as int) {
        a + b + ((<isize>::MAX as int) - (<isize>::MIN as int) + 1)
    } else {
        a + b
    }
}