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tf_status.go
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tf_status.go
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package predictor
// #include "tensorflow/c/c_api.h"
import "C"
import "runtime"
type code C.TF_Code
// status holds error information returned by TensorFlow. We convert all
// TF statuses to Go errors.
type status struct {
c *C.TF_Status
}
func newStatus() *status {
s := &status{C.TF_NewStatus()}
runtime.SetFinalizer(s, (*status).finalizer)
return s
}
func (s *status) finalizer() {
C.TF_DeleteStatus(s.c)
}
func (s *status) Code() code {
return code(C.TF_GetCode(s.c))
}
func (s *status) String() string {
return C.GoString(C.TF_Message(s.c))
}
// Err converts the status to a Go error and returns nil if the status is OK.
func (s *status) Err() error {
if s == nil || s.Code() == C.TF_OK {
return nil
}
return (*statusError)(s)
}
// statusError is distinct from status because it fulfills the error interface.
// status itself may have a TF_OK code and is not always considered an error.
//
// TODO(jhseu): Make public, rename to Error, and provide a way for users to
// check status codes.
type statusError status
func (s *statusError) Error() string {
return (*status)(s).String()
}