# [plt-scheme] boolean operators on integers

wooks wrote:
>* Seems like and is just returning the value of the last argument.
*>*
*>* The integers 0 and 1 are supposed (for my purposes ) to be boolean
*>* flags true and false so this is not the behaviour that I want.
*>*
*In Scheme all values except #f is considered to be true values. Thus
both 0 and 1
are interpreted by and as being true. Hence (and 0 1) gives true.
What you need are the bitwise operations, which operate on the bit level.
> (bitwise-and 1 1)
1
> (bitwise-and 1 0)
0
--
Jens Axel Søgaard