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Add TODO to indicate let-else example should be rewritten (#2562)

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Fixes #2473.
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Dustin J. Mitchell 2025-01-19 01:47:33 -05:00 committed by GitHub
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src/pattern-matching/let-control-flow.md
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@ -42,6 +42,7 @@ off the end of the block).
```rust,editable
fn hex_or_die_trying(maybe_string: Option<String>) -> Result<u32, String> {
// TODO: The structure of this code is difficult to follow -- rewrite it with let-else!
if let Some(s) = maybe_string {
if let Some(first_byte_char) = s.chars().next() {
if let Some(digit) = first_byte_char.to_digit(16) {