1)
minimum = if x < y then x else y end
can also be written as :
minimum = x < y ? x : y
2)
class Fixnum
def inclusive(element)
self..element
end
def exclusive(element)
self...element
end
end
This eliminates the mental mapping from .. and ... to the behaviour of the methods.
3) This does not work:
class Fixnum
alias inclusive ..
alias exclusive ...
end
gives syntax error, unexpected tDOT2
So how do you redefine the .. and ...? If you do ri Fixnum, it shows the instance methods. The section on Operators has discussion on operators that can be re-defined.
