Class: Yargi::NotPredicate

Inherits:

Predicate

• Object
• Predicate
• Yargi::NotPredicate

Defined in:

lib/yargi/predicate.rb

Overview

Negates another predicate

Constant Summary

Constants inherited from Predicate

Predicate::ALL, Predicate::NONE

Instance Method Summary

• #===(elm) ⇒ Object

  Predicate implementation.

• #initialize(negated) ⇒ NotPredicate constructor

  Creates a ‘not(negated)’ predicate.

• #inspect ⇒ Object

  Helps debugging predicates.

Methods inherited from Predicate

#&, #not, to_predicate, #|

Constructor Details

#initialize(negated) ⇒ NotPredicate

Creates a ‘not(negated)’ predicate

# File 'lib/yargi/predicate.rb', line 139

def initialize(negated)
  @negated = Predicate.to_predicate(negated)
end

Instance Method Details

#===(elm) ⇒ Object

Predicate implementation

# File 'lib/yargi/predicate.rb', line 144

def ===(elm)
  not(@negated === elm)
end

#inspect ⇒ Object

Helps debugging predicates

# File 'lib/yargi/predicate.rb', line 149

def inspect
  "not(#{@negated})"
end