tests the pop_back() method of the link list container, clears the container with the clear() function, and uses the empty() method to test if the container is empty. When using the link list, it is very important to call the empty() function instead of testing if size() returns the value of 0. Although this might sound strange, it isn’t when working with link lists. The function empty() is a constant-time operation that is normally implemented as an inline function, that is, very fast use c++ to code

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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 tests the pop_back() method of the
link list container, clears the container with the clear() function, and uses the
empty() method to test if the container is empty. When using the link list, it is very
important to call the empty() function instead of testing if size() returns the value
of 0. Although this might sound strange, it isn’t when working with link lists. The
function empty() is a constant-time operation that is normally implemented as an
inline function, that is, very fast use c++ to code

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