this post was submitted on 07 Apr 2024

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What are variables and semicolons for actually? (programming.dev)

submitted 7 months ago by TadoTheRustacean@programming.dev to c/programmer_humor@programming.dev

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[–] TheAgeOfSuperboredom@lemmy.ca 4 points 7 months ago

Nope. In Rust, a semicolon denotes a statement while a lack of semicolon is an expression so you can't just omit them at will. This does lead to cool things though like if/else blocks being able to produce values if they end in an expression. But the expression type is checked so you're less likely to make a mistake. You can see an example here: https://doc.rust-lang.org/rust-by-example/flow_control/if_else.html

In JavaScript I never skip semicolons because I've seen those subtle bugs.