What is the 'assert' macro used for?

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The assert macro prints a diagnostic message when expression evaluates to false (0) and calls abort to stop program execution. No action is taken if expression is true (nonzero). The diagnostic message includes the failed expression, the name of the source file and line number where the assertion fai...
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Experienced Computer trainer having worked in IT sector for 20 years.

The assert macro is typically used to identify logic errors during program development. Use it to stop program execution when unexpected conditions occur by implementing the expression argument to evaluate to false only when the program is operating incorrectly.
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