Sha256: cfb2cf8889e1c0cc3fb686190c55c8097a3954e667bdb189ec2e8f79312a8b19
Contents?: true
Size: 759 Bytes
Versions: 11
Compression:
Stored size: 759 Bytes
Contents
class Proc
# Curry Proc object into new Proc object.
#
# TODO: Utilize Ruby 1.9's #curry method.
def curry(*args)
if args.empty?
idx = (0...arity).to_a
else
raise ArgumentError, "argument count is greater than arity (#{args.size} > #{arity})" if args.size > arity
raise ArgumentError, "arguments must be unique indexes" if args.uniq != args
raise ArgumentError, "arguments must be indexes" if args.any?{ |a| !Fixnum===a }
idx = (0...arity).to_a
idx = args + (idx - args)
end
rec = ''
idx.each do |i|
rec << "proc { |a#{i}| "
end
rec << "self["
rec << (0...arity).to_a.collect{|i| "a#{i}"}.join(',')
rec << "]"
rec << "}" * arity
instance_eval rec
end
end
Version data entries
11 entries across 11 versions & 2 rubygems