class Null
The simplest NullObject there can be
Public Class Methods
==(other)
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# File lib/functional-light-service/functional/null.rb, line 28 def ==(other) other.respond_to?(:null?) && other.null? end
instance()
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# File lib/functional-light-service/functional/null.rb, line 12 def instance @instance ||= new([]) end
method_missing(m, *args)
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Calls superclass method
# File lib/functional-light-service/functional/null.rb, line 4 def method_missing(m, *args) if m == :new super else Null.instance end end
mimic(klas)
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# File lib/functional-light-service/functional/null.rb, line 24 def mimic(klas) new(klas.instance_methods(false)) end
new(methods)
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# File lib/functional-light-service/functional/null.rb, line 34 def initialize(methods) @methods = methods end
null?()
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# File lib/functional-light-service/functional/null.rb, line 16 def null? true end
some?()
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# File lib/functional-light-service/functional/null.rb, line 20 def some? false end
Public Instance Methods
==(other)
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# File lib/functional-light-service/functional/null.rb, line 71 def ==(other) other.respond_to?(:null?) && other.null? end
inspect()
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# File lib/functional-light-service/functional/null.rb, line 67 def inspect 'Null' end
method_missing(m, *args)
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Calls superclass method
# File lib/functional-light-service/functional/null.rb, line 47 def method_missing(m, *args) return self if respond_to?(m) super end
null?()
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# File lib/functional-light-service/functional/null.rb, line 53 def null? true end
respond_to?(m, include_private = false)
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Calls superclass method
# File lib/functional-light-service/functional/null.rb, line 61 def respond_to?(m, include_private = false) return true if @methods.empty? || @methods.include?(m) super end
some?()
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# File lib/functional-light-service/functional/null.rb, line 57 def some? false end
to_ary()
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# File lib/functional-light-service/functional/null.rb, line 43 def to_ary [] end
to_str()
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implicit conversions
# File lib/functional-light-service/functional/null.rb, line 39 def to_str '' end