Class: Maybe

Inherits:

Combinator

• Object
• Combinator
• Maybe

Defined in:

lib/hivemind/combinators.rb

Instance Attribute Summary

• #parser ⇒ Object

  Returns the value of attribute parser.

Instance Method Summary

• #initialize(parser) ⇒ Maybe constructor

  A new instance of Maybe.

• #parse(input, refs) ⇒ Object

Methods inherited from Combinator

#&, #|

Constructor Details

#initialize(parser) ⇒ Maybe

Returns a new instance of Maybe.

# File 'lib/hivemind/combinators.rb', line 159

def initialize(parser)
  @parser = parser
end

Instance Attribute Details

#parser ⇒ Object

Returns the value of attribute parser.

# File 'lib/hivemind/combinators.rb', line 157

def parser
  @parser
end

Instance Method Details

#parse(input, refs) ⇒ Object

# File 'lib/hivemind/combinators.rb', line 163

def parse(input, refs)
  _, result, remaining = @parser.parse(input, refs)
  [true, result, remaining]
end