Class NullClass
In: lib/more/facets/nullclass.rb
Parent: Object

Nullclass

NullClass is essentially NilClass but it differs in one important way. When a method is called against it that it deoesn‘t have, it will simply return null value rather then raise an error.

TODO: Perhaps NullClass and NackClass should be one and the same?

Methods

[]   inspect   method_missing   new   nil?   null?  

Public Class methods

[Source]

    # File lib/more/facets/nullclass.rb, line 36
36:     def new
37:       @null ||= NullClass.allocate
38:     end

Public Instance methods

[Source]

    # File lib/more/facets/nullclass.rb, line 43
43:   def [](key); nil; end

[Source]

    # File lib/more/facets/nullclass.rb, line 40
40:   def inspect ; 'null' ; end

[Source]

    # File lib/more/facets/nullclass.rb, line 44
44:   def method_missing(sym, *args)
45:     return nil if sym.to_s[-1,1] == '?'
46:     self
47:   end

[Source]

    # File lib/more/facets/nullclass.rb, line 41
41:   def nil?  ; true ; end

[Source]

    # File lib/more/facets/nullclass.rb, line 42
42:   def null? ; true ; end

[Validate]