Sha256: 9e35202c59d02516aec0eef5f74ae2225daef0ab6e4cd1b32169ace2bed888ab
Contents?: true
Size: 734 Bytes
Versions: 11
Compression:
Stored size: 734 Bytes
Contents
# MissingArgument exception class is used to represent an argument "hole".
class MissingArgument < ArgumentError
end
# Convenience method for an argument hole.
# It simple returns the MissingArgument exception class.
def __
MissingArgument
end
class Proc
# Convert a Proc object into new partial Proc object.
#
# a = proc { |a,b,c| a+b+c }
# b = a.partial(__, 2, __)
# b[1,3] #=> 6
#
# This method is similar to Proc#curry.
#
# CREDT Trans
#
# TODO: Parhaps ArgumentError would suffice, and we don't need MissingArgument?
def partial(*args)
Proc.new do |*spice|
result = args.collect do |a|
MissingArgument == a ? spice.pop : a
end
call(*result)
end
end
end
Version data entries
11 entries across 11 versions & 2 rubygems