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tag: v2_1_0_preview2
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class Object
@@golf_hash = {}
def method_missing m, *a, &b
t = @@golf_hash[ [m, self.class] ] ||= matching_methods(m)[0]
if t && b
__send__(t, *a) {|*args|
b.binding.eval("proc{|golf_matchdata| $~ = golf_matchdata }").call($~) if $~
b.call(*args)
}
else
t ? __send__(t, *a, &b) : super
end
end
def matching_methods(s = '', m = callable_methods)
r = /^#{s.to_s.gsub(/./){"(.*?)" + Regexp.escape($&)}}/
m.grep(r).sort_by do |i|
i.to_s.match(r).captures.map(&:size) << i
end
end
def self.const_missing c
t = @@golf_hash[ [c,self.class] ] ||= matching_methods(c, constants)[0]
t and return const_get(t)
raise NameError, "uninitialized constant #{c}", caller(1)
end
def shortest_abbreviation(s = '', m = callable_methods)
s = s.to_s
our_case = (?A..?Z) === s[0]
if m.index(s.to_sym)
1.upto(s.size){|z| s.scan(/./).combination(z).map{|trial|
next unless ((?A..?Z) === trial[0]) == our_case
trial *= ''
return trial if matching_methods(trial, m)[0].to_s == s
}}
else
nil
end
end
def callable_methods
self.class == Object ? methods + private_methods : methods
end
private
def h(a = 'H', b = 'w', c = '!')
puts "#{a}ello, #{b}orld#{c}"
end
alias say puts
def do_while
0 while yield
end
def do_until
0 until yield
end
end
class Array
alias old_to_s to_s
alias to_s join
end
class FalseClass
alias old_to_s to_s
def to_s
""
end
end
class Integer
alias each times
include Enumerable
end
class String
alias / split
def to_a
split('')
end
(Array.instance_methods - instance_methods - [:to_ary, :transpose, :flatten, :flatten!, :compact, :compact!, :assoc, :rassoc]).each{|meth|
eval "
def #{meth}(*args, &block)
a = to_a
result = a.#{meth}(*args, &block)
replace(a.join)
if result.class == Array
Integer === result[0] ? result.pack('c*') : result.join
elsif result.class == Enumerator
result.map(&:join).to_enum
else
result
end
end"
}
end
class Enumerator
alias old_to_s to_s
(Array.instance_methods - instance_methods - [:replace] + [:to_s]).each{|meth|
eval "
def #{meth}(*args, &block)
to_a.#{meth}(*args, &block)
end"
}
alias old_inspect inspect
alias inspect old_to_s
end
class Symbol
def call(*args, &block)
proc do |recv|
recv.__send__(self, *args, &block)
end
end
end
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