On 2018-10-14 06:19, William Breathitt Gray wrote: > a bit value of 0 in the > bits array does not necessarily mean the input was not requested, but > may instead mean that the value at the input is 0; sure enough, but... > therefore, the caller > must keep track of the requested inputs rather than try to deduce them > from the values in the bits array. ...I don't agree that this logically follows. A caller might reasonably expect not to find any bits set in positions other than those in mask. A simple example would be caller that just tried to ask "are any of _these_ inputs set"; it would be reasonable to implement that using bitmap_empty() on the returned bitset, without first having to mask by the mask he passed in. Rasmus
