Re: [boost] Checked Integral Class

From: Rob Stewart (stewart_at_[hidden])
Date: 2005-09-15 16:32:48

From: "michael toksvig" <michaeltoksvig_at_[hidden]>
> 
> also, the type of a binary operator's return value should combine the 
> intervals of the operands
> 
> e.g. given:
>     CheckedIntegralValue<int, -10, 100> a;
>     CheckedIntegralValue<int, -100, 20> b;
> 
> then the type of a+b should be CheckedIntegralValue<int, -110, 120>
> 
> and given:
>     CheckedIntegralValue<int, -110, 120> sum;
> 
> then sum = a+b, sum = a, and sum = b should all compile just fine
> 
> conversely, a = sum, b = sum, and a = b should not

If you think that's appropriate, then there needs to be a
range-checked, converting constructor from values with differing
minima and maxima.

-- 
Rob Stewart                           stewart_at_[hidden]
Software Engineer                     http://www.sig.com
Susquehanna International Group, LLP  using std::disclaimer;