# File lib/rake.rb, line 85
85:     def pathmap_explode
86:       head, tail = File.split(self)
87:       return [self] if head == self
88:       return [tail] if head == '.' || tail == '/'
89:       return [head, tail] if head == '/'
90:       return head.pathmap_explode + [tail]
91:     end