Return a non‐modifiable reference to the element at index.
Synopsis
Declared in <bdlc_queue.h>
T const&
operator[](int index) const;Description
Return a reference to the non‐modifiable element at the specified index position in this queue. The reference will remain valid as long as this queue is not destroyed or modified (e.g., via insert, remove, or append). The behavior is undefined unless 0 <= index < length().
Return Value
non‐modifiable reference to the element at index
Parameters
Name |
Description |
index |
position of the element to access |
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