Hi,

In message "[ruby-talk:03541] function objects?"
    on 00/06/19, Johann Hibschman <johann / physics.berkeley.edu> writes:

|I read in one of the descriptions of the language that Ruby does not
|have first-class functions.  Is this true?  And, if so, what does Ruby
|have which makes this livable?

Yes, it's true.  Instead, Ruby has Procs (aka closure) and
method objects. 

|As a concrete example, what would I do if I wanted a numeric
|integration function, like
|
|  integrate(f, x_min, x_max) -> the integral of f(x)

Probably:

  integrate(lambda{|x| f(x)}, x_min, x_max)

							matz.