I've declared some boolean variables (l, g, e) as constant because they represent conditions that won't change. My intention was to alter the values of val1 and val2 based on user input alone. I'm curious if making these booleans constant was a smart decision. Does it really affect anything?
5 Answers
Honestly, it makes no significant difference here. The advantage of using const is more apparent in larger projects where you're trying to avoid any unexpected changes to values. Your current use of const doesn't provide any benefits in this specific scenario since you're only using these booleans within the same scope.
In this case, it really doesn't make much of a difference. What matters more is that using single-letter variable names can be a bit confusing and is usually reserved for loop indexes. Also, you might want to streamline your code because you have the same output line repeated three times, which is unnecessary. You could simplify it by moving the output to outside of the if statements instead!
Making those variables const isn't a big deal, but you might not need to store those results if you aren't reusing them later. Plus, you should consider using an 'else if' structure since if 'g' is true, the other conditions can't possibly be true. This way, you save some processing time, too!
You might find this discussion interesting: having immutable variables can help prevent bugs, but given the small scale of your code, the impact of using const variables might not be noticeable at all. Just keep in mind, in bigger applications, it could really help with stability!
From a readability standpoint, declaring them as const could complicate things a bit. When I see those letters, I have to trace back to remember what they mean if I'm reading quickly. It might be better to clarify your code with more descriptive names instead of relying on single-letter variables that can be tricky for others to understand!

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