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Rust's if let expression lets you match an expression to a specified pattern. If let is different from the if expression, which is executed when a condition is met. If let terminates a loop and returns a value.
You can find detailed further information from Rust Official documentation:
https://doc.rust-lang.org/rust-by-example/flow_control/if_let.html
For a detailed explanation of If Let expressions, you can watch this video as an additional resource:
https://www.youtube.com/watch?v=LslG4GTQXfY
https://www.youtube.com/watch?v=sWTu4Lm49Kw
Resources:
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