Class: SpotFeel::SimplePositiveUnaryTest

Inherits:
Node
  • Object
show all
Defined in:
lib/spot_feel/nodes.rb

Overview

  1. simple positive unary test =

7.a [ “<” | “<=” | “>” | “>=” ] , endpoint | 7.b interval ;

Instance Method Summary collapse

Methods inherited from Node

#qualified_names_in_context, #raise_evaluation_error

Instance Method Details

#eval(context = {}) ⇒ Object 



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# File 'lib/spot_feel/nodes.rb', line 81

def eval(context = {})
  operator = head.text_value.strip
  endpoint = tail.eval(context)

  case operator
  when "<"
    ->(input) { input < endpoint }
  when "<="
    ->(input) { input <= endpoint }
  when ">"
    ->(input) { input > endpoint }
  when ">="
    ->(input) { input >= endpoint }
  else
    ->(input) { input == endpoint }
  end
end