(createInstance) : Return 0 if constructor is not set.
(createInstance) : Return 0 if constructor is not set.
josejamilena/es-operating-system,berkus/es-operating-system,google-code-export/es-operating-system,ericmckean/es-operating-system,ericmckean/es-operating-system,josejamilena/es-operating-system,ericmckean/es-operating-system,berkus/es-operating-system,josejamilena/es-operating-system,josejamilena/es-operating-system,josejamilena/es-operating-system,google-code-export/es-operating-system,josejamilena/es-operating-system,google-code-export/es-operating-system,ericmckean/es-operating-system,ericmckean/es-operating-system,berkus/es-operating-system,berkus/es-operating-system,ericmckean/es-operating-system,google-code-export/es-operating-system,berkus/es-operating-system,josejamilena/es-operating-system,google-code-export/es-operating-system,berkus/es-operating-system,google-code-export/es-operating-system,google-code-export/es-operating-system,berkus/es-operating-system,ericmckean/es-operating-system