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class Symbol
def to_proc
->(obj,*args,&block) do
obj.send(self, *args, &block)
end
end
##
# call-seq:
# sym.length -> integer
#
# Same as <code>sym.to_s.length</code>.
def length
self.to_s.length
end
alias :size :length
##
# call-seq:
# sym.capitalize -> symbol
#
# Same as <code>sym.to_s.capitalize.intern</code>.
def capitalize
self.to_s.capitalize.intern
end
##
# call-seq:
# sym.downcase -> symbol
#
# Same as <code>sym.to_s.downcase.intern</code>.
def downcase
self.to_s.downcase.intern
end
##
# call-seq:
# sym.upcase -> symbol
#
# Same as <code>sym.to_s.upcase.intern</code>.
def upcase
self.to_s.upcase.intern
end
#
# call-seq:
# sym.empty? -> true or false
#
# Returns that _sym_ is :"" or not.
def empty?
self.to_s.empty?
end
end
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