What are the best practices for using switch and if statements in C++?

What are the best practices for using switch and if statements in C++?

When using switch statements, ensure that each case is distinct and consider using default for unexpected values. For if statements, prioritize clarity and avoid deep nesting.

Can you give an example of when to use switch over if?

Sure! Use switch when you have multiple discrete values to compare against a single variable, like menu options. If you have complex conditions, if statements are better.

What are the performance differences between switch and if?

Switch can be more efficient than if when dealing with many cases, as it may compile to a jump table. However, for a few conditions, if statements are often just as fast.

Are there any common mistakes to avoid?

Yes, common mistakes include forgetting to break in switch cases, using switch with non-integer types, and overusing nested if statements.