func _v7_to_json(ctx *C.struct_v7, val C.v7_val_t, size int) []byte {
buf := make([]byte, size)
p := C.CString(string(buf))
defer C.free(unsafe.Pointer(p))
ret := C.v7_to_json(ctx, val, p, C.size_t(size))
return []byte(C.GoString(ret))
}
func (v7 *V7) ToJSON(v Val, size int) string {
buflen := C.size_t(size)
buf := (*C.char)(C.malloc(buflen))
defer C.free(unsafe.Pointer(buf))
C.v7_to_json((*C.struct_v7)(v7), C.v7_val_t(v), buf, buflen)
return C.GoString(buf)
}