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• TIL: Rust Option Methods

  01/15/25, 12:00 AM

  Today I learned about some lesser-known Option methods in Rust that can make code cleaner:

  • Option::inspect() - Run a closure on the value if Some, useful for logging
  • Option::filter() - Convert Some(x) to None if predicate returns false
  • Option::zip() - Combine two Options into Option<(A, B)>

  let x = Some(5);
  x.inspect(|v| println!("Value: {v}"))
   .filter(|v| *v > 3)
   .zip(Some("hello"))

  These are great for building pipelines without early returns!