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Merge pull request #148 from fbornhofen/speaker-notes-if-let

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Add speaker notes for if-let-expressions.md
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Martin Geisler 2023-01-10 18:58:53 +01:00 committed by GitHub
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src/control-flow/if-let-expressions.md
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@ -15,3 +15,11 @@ fn main() {
See [pattern matching](../pattern-matching.md) for more details on patterns in See [pattern matching](../pattern-matching.md) for more details on patterns in
Rust. Rust.
<details>
* `if let` can be more concise than `match`, e.g., when only one case is interesting. In contrast, `match` requires all branches to be covered.
* A common usage is handling `Some` values when working with `Option`.
* Unlike `match`, `if let` does not support guard clauses for pattern matching.
</details>