gojsonpointer 
An implementation of JSON Pointer - Go language
Status
Completed YES
Tested YES
References
http://tools.ietf.org/html/draft-ietf-appsawg-json-pointer-07
Note
The 4.Evaluation part of the previous reference, starting with 'If the currently referenced value is a JSON array, the reference token MUST contain either...' is not implemented.