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unless Enumerable.method_defined?(:map)
module Enumerable
alias map collect
end
end
unless Enumerable.method_defined?(:select)
module Enumerable
alias select find_all
end
end
unless Enumerable.method_defined?(:reject)
module Enumerable
def reject
result = []
each do |i|
result.push i unless yield(i)
end
result
end
end
end
unless Enumerable.method_defined?(:sort_by)
module Enumerable
def sort_by
map {|i| [yield(i), i] }.sort.map {|val, i| i }
end
end
end
unless File.respond_to?(:read)
def File.read(fname)
File.open(fname) {|f|
return f.read
}
end
end
|
