class Dentaku::AST::StringFunctions::Contains

def self.max_param_count
  2
end

def self.min_param_count
  2
end

def initialize(*args)
  super
  @needle, @haystack = *args
end

def type
  :logical
end

def value(context = {})
  @haystack.value(context).to_s.include? @needle.value(context).to_s
end