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Avoiding if-else Hell: The Functional Style
(lackofimagination.org)
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To each their own. Some won't like the repeating code and some won't like the distributed logic (i.e. you have to read every if and if-else statement to know when the else takes effect). I think the use of booleans like
isDriverClose
makes the repeated logic less messy and reduces inefficiency (if the compiler didn't optimize for you).