Class: RPNCalculator::Result::Parser

Inherits:
Input
  • Object
show all
Defined in:
lib/rpn-calculator/result/parser.rb

Instance Method Summary collapse

Constructor Details

#initialize(parsed_elements = [], invalid_elements = []) ⇒ Parser

Returns a new instance of Parser.



6
7
8
9
 
# File 'lib/rpn-calculator/result/parser.rb', line 6

def initialize(parsed_elements = [], invalid_elements = [])
  @parsed_elements  = parsed_elements
  @invalid_elements = invalid_elements
end

Instance Method Details

#error ⇒ Object 



15
16
17
 
# File 'lib/rpn-calculator/result/parser.rb', line 15

def error
  "Invalid operators or numbers: #{invalid_element_list}" unless valid?
end

#result ⇒ Object 



19
20
21
 
# File 'lib/rpn-calculator/result/parser.rb', line 19

def result
  @parsed_elements
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


11
12
13
 
# File 'lib/rpn-calculator/result/parser.rb', line 11

def valid?
  invalid_elements.empty?
end