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Editorial Team
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Asked: 2026-05-16T15:29:05+00:00

I’m a seasoned programmer and therefore feel a little embarrassed asking this question but

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I’m a seasoned programmer and therefore feel a little embarrassed asking this question but decided to do so anyways.

I’m reading this book, and have also seen various examples across the net where the order of arguments in a compare operation is reversed and I wonder if there is a reason for it, or just because it looks “cool” and does the exact same thing.

Example:

I would code: 

if(bool_variable == YES)

while I saw in this book and in various examples

if(YES == bool_variable)

Explanations?

Thanks a ton!

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1 Answer

  1. Editorial Team

    Some people like yoda conditions because they can help you find errors where you accidentally type = instead of ==. For example:

    if (var = YES)

    will compile but probably not work the way you want it to. Writing it the other way around:

    if (YES = var)

    will cause a compile-time error. I personally dislike this construct, but to each his own, I guess.

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