Swap efficiently the values at the specified indices index1 and index2. The behavior is undefined unless 0 <= index1 < length() and 0 <= index2 < length().
index1
index2
0 <= index1 < length()
0 <= index2 < length()
Declared in <bdlc_queue.h>
<bdlc_queue.h>
void swap( int index1, int index2);