module StateHelper

StateHelper. @abstract @module_description

State predicates.

Public Instance Methods

back_attached() click to toggle source

back_attached(). @description

A back attribute predicate.

@return [TrueClass, FalseClass]

True in the case back refers a Node instance. False otherwise.
# File lib/helpers/state_helper.rb, line 15
def back_attached()
end
base() click to toggle source

base(). @description

A back and front attribute predicate.

@return [TrueClass, FalseClass]

True in the case back refers nil and front refers a Node instance.
# File lib/helpers/state_helper.rb, line 47
def base()
end
empty() click to toggle source

empty(). @description

A data attribute predicate.

@return [TrueClass, FalseClass]

True in the case data refers nil. False otherwise.
# File lib/helpers/state_helper.rb, line 39
def empty()
end
front_attached() click to toggle source

front_attached(). @description

A front attribute predicate.

@return [TrueClass, FalseClass]

True in the case front refers a Node instance. False otherwise.
# File lib/helpers/state_helper.rb, line 23
def front_attached()
end
no_attachments() click to toggle source

no_attachments(). @description

A back and front attribute predicate.

@return [TrueClass, FalseClass]

True in the case back and front refer nil. False otherwise.
# File lib/helpers/state_helper.rb, line 31
def no_attachments()
end
pioneer() click to toggle source

pioneer(). @description

A back and front attribute predicate.

@return [TrueClass, FalseClass]

True in the case back refers a Node instance and front refers nil.
False otherwise.
# File lib/helpers/state_helper.rb, line 56
def pioneer()
end