class FlowEngine::Rules::LessThan

@attr_reader value [Integer] threshold
@attr_reader field [Symbol] answer key
Rule: the answer for the given field (coerced to integer) is less than the threshold.

def evaluate(answers)

Returns:
  • (Boolean) - true if answers[field].to_i < value

Parameters:
  • answers (Hash) -- current answers (field value is coerced with to_i) 
def evaluate(answers)
  answers[field].to_i < value
end

def initialize(field, value)

Parameters:
  • value (Integer) -- threshold
  • field (Symbol) -- answer key 
def initialize(field, value)
  super()
  @field = field
  @value = value
  freeze
end

def to_s

Returns:
  • (String) - e.g. "age < 18" 
def to_s
  "#{field} < #{value}"
end