this post was submitted on 07 Jan 2024

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cmp::Ordering vs comparison symbols (self.rust)

submitted 10 months ago by alertsleeper to c/rust

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beginner question: What is the advantage of using cmp::Ordering::Less over "<", same for Greater and Equals?

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[–] [email protected] 12 points 10 months ago* (last edited 10 months ago)

Here's a good example.

Basically, cmp::Ordering::Less is an enum so a match using it is guaranteed to be exhaustive, whereas you need to be careful when doing an if/else chain that you cover all cases.