It not only produces a list as a side-effect (which foreach doesn't), ...
What on earth are you smoking?!? The entire point of map is to produce a list. The list production isn't a side-effect ... it's the whole effect. Modifying the original list is a side-effect.
We are the carpenters and bricklayers of the Information Age.
Then there are Damian modules.... *sigh* ... that's not about being less-lazy -- that's about being on some really good drugs -- you know, there is no spoon. - flyingmoose
I shouldn't have to say this, but any code, unless otherwise stated, is untested