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Avoid un necessary move when popping circular_q

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gabime
2019-09-17 11:56:17 +03:00
parent 2ddd6895e1
commit d52cf87d71
4 changed files with 21 additions and 13 deletions
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21
include/spdlog/details/circular_q.h
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@@ -60,15 +60,18 @@ public:
}
}
// Return reference to the front item.
// If there are no elements in the container, the behavior is undefined.
T& front()
{
return v_[head_];
}
// Pop item from front.
// If there are no elements in the container, the behavior is undefined.
void pop_front(T &popped_item)
void pop_front()
{
if (max_items_ > 0)
{
popped_item = std::move(v_[head_]);
head_ = (head_ + 1) % max_items_;
}
head_ = (head_ + 1) % max_items_;
}
bool empty() const
@@ -79,7 +82,11 @@ public:
bool full() const
{
// head is ahead of the tail by 1
return ((tail_ + 1) % max_items_) == head_;
if(max_items_ > 0)
{
return ((tail_ + 1) % max_items_) == head_;
}
return true;
}
size_t overrun_counter() const