def !
end

def !=
end

def !~
end

def %
end

def self.+
end

def &
end

def *
end

def **
end

%|abc|

def + **b
end

def +()
end

def + b
end

def self.+
end

def +
end

def +@
end

def -
end

def a.-;end

def -@
end

def /
end

def <
end

def <<
end

def <=
end

def <=>
end

def ==
end

def ===
end

def =~
end

def >
end

def >=
end

def >>
end

def []
end

def []=
end

def ^
end

def `
end

def self.`
end

def |
end

def ~
end