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Add override keywords to ThreadedIter class to make it more explicit #683

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Jun 7, 2024
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6 changes: 3 additions & 3 deletions include/dmlc/threadediter.h
Original file line number Diff line number Diff line change
Expand Up @@ -184,7 +184,7 @@ class ThreadedIter : public DataIter<DType> {
* use the other Next instead
* \return true if there is next record, false if we reach the end
*/
virtual bool Next(void) {
virtual bool Next(void) override {
if (out_data_ != NULL) {
this->Recycle(&out_data_);
}
Expand All @@ -199,12 +199,12 @@ class ThreadedIter : public DataIter<DType> {
* NOTE: the call to this function is not threadsafe
* use the other Next instead
*/
virtual const DType &Value(void) const {
virtual const DType &Value(void) const override {
CHECK(out_data_ != NULL) << "Calling Value at beginning or end?";
return *out_data_;
}
/*! \brief set the iterator before first location */
virtual void BeforeFirst(void) {
virtual void BeforeFirst(void) override {
ThrowExceptionIfSet();
std::unique_lock<std::mutex> lock(mutex_);
if (out_data_ != NULL) {
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