Class: Proc

Inherits:
Object
  • Object
show all
Defined in:
lib/curry.rb

Instance Method Summary collapse

Instance Method Details

#*(g) ⇒ Object 



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# File 'lib/curry.rb', line 2

def * g
  if g.arity == 0
    lambda { self.call(g.call) }
  else
    vars = (1..(g.arity)).map{|num| "var_#{num}"}.join(",")
    eval "lambda {|#{vars}| self.call(g.call(#{vars})) }"
  end
end

#<<(*args) ⇒ Object 



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# File 'lib/curry.rb', line 22

def <<(*args)
  self.[](*args)
end

#[](*args) ⇒ Object 



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# File 'lib/curry.rb', line 11

def [](*args)
  diff = self.arity - args.size
  # do this? or throw an error on diff < 0 ?
  if diff <= 0
    self.call(*args)
  else
    vars = (1..diff).map{|num| "var_#{num}"}.join(",")      
    eval "lambda {|#{vars}| self.call(*(args + [#{vars}])) }"
  end
end