question: hash an object according to collection semantics . concode_field_sep String fileName concode_elem_sep long serialVersionUID concode_elem_sep String methodName concode_elem_sep String className concode_elem_sep int lineNumber concode_elem_sep boolean isNative concode_field_sep int getLineNumber concode_elem_sep String getMethodName concode_elem_sep boolean equals concode_elem_sep boolean equals concode_elem_sep String toString concode_elem_sep String getClassName concode_elem_sep String getFileName concode_elem_sep boolean isNativeMethod
target: int function ( Object arg0 ) { return arg0 == null ? 0 : arg0 . hashCode ( ) ; }