From: matt@... (matt neuburg)
Date: 2006-10-29T13:15:06+09:00
Subject: Re: hash.collect

Joe Ruby MUDCRAP-CE <joeat303@yahoo.com> wrote:

> collect seems to work on a hash:

You might find something like the following exploratory utility useful:

def method_report(klass)
  result = klass.ancestors.inject(Array.new) do |result, anc|
    ms = (anc.instance_methods + anc.methods).sort.uniq
    result.last[1] -= ms if result.last
    result << [anc.name, ms]
  end
  result.each do |k, v|
    puts "----", k
    v.each {|m| puts "\s\s#{m}"}
  end
end
# and here's how to use it
method_report(Hash)

I'm sure there are much snazzier versions out there. m.

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