class Dentaku::AST::StringFunctions::Len

def self.max_param_count
  1
end

def self.min_param_count
  1
end

def initialize(*args)
  super
  @string = @args[0]
end

def type
  :numeric
end

def value(context = {})
  string = @string.value(context).to_s
  string.length
end