class Sass::Constant::Color
def minus(other)
def minus(other) if other.is_a? Sass::Constant::String raise NoMethodError.new(nil, :minus) else piecewise(other, :-) end end
def minus(other) if other.is_a? Sass::Constant::String raise NoMethodError.new(nil, :minus) else piecewise(other, :-) end end