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Frequently there is a need for a function that tests else an argument and returns a true or false Value status = false; indicating whether or not a condition is satisfied. return status; Such a function would return a bool value. For example, the isValid function shown below accepts an int argument and returns true if the argument is within the range of 1 through 100, or false The following code shows an if/else statement that makes a call to the function: otherwise. int value = 20; bool isValid(int number) if (isValid(value)) { cout « "The value is within range.\n"; bool status; else if (number >= 1 && number <= 100) cout << "The value is out of range. \n"; status = true;

Frequently there is a need for a function that tests else an argument and returns a true or false Value status = false; indicating whether or not a condition is satisfied. return status; Such a function would return a bool value. For example, the isValid function shown below accepts an int argument and returns true if the argument is within the range of 1 through 100, or false The following code shows an if/else statement that makes a call to the function: otherwise. int value = 20; bool isValid(int number) if (isValid(value)) { cout « "The value is within range.\n"; bool status; else if (number >= 1 && number <= 100) cout << "The value is out of range. \n"; status = true;

Database System Concepts
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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I am learning c++, and I am really confused about the bool command. Please explain to me how the bool command used and when should I use it! thanks. 

Frequently there is a need for a function that tests else an argument and returns a true or false value false; status = indicating whether or not a condition is satisfied. return status; Such a function would return a bool value. For } example, the isValid function shown below accepts an int argument and returns true if the argument is within the range of 1 through 100, or false The following code shows an if/else statement that makes a call to the function: otherwise. int value 20; bool isValid (int number) if (isValid(value)) { cout <« "The value is within range.\n"; bool status; else if (number >= 1 && number <= 100) cout << "The value is out of range.\n"; status true;
Transcribed Image Text:Frequently there is a need for a function that tests else an argument and returns a true or false value false; status = indicating whether or not a condition is satisfied. return status; Such a function would return a bool value. For } example, the isValid function shown below accepts an int argument and returns true if the argument is within the range of 1 through 100, or false The following code shows an if/else statement that makes a call to the function: otherwise. int value 20; bool isValid (int number) if (isValid(value)) { cout <« "The value is within range.\n"; bool status; else if (number >= 1 && number <= 100) cout << "The value is out of range.\n"; status true;
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