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Remove unnecessary ref mut in binary tree exercise (#1586)

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There's no need for the `ref mut` in the pattern. So, let's just drop
it for the sake of simplicity.
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Martin Huschenbett 2023-12-13 18:34:18 +01:00 committed by GitHub
parent ce081b12f9
commit f37aeac3ca
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src/smart-pointers/exercise.rs
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@ -42,7 +42,7 @@ impl<T: Ord + Copy> BinaryTree<T> {
right: BinaryTree::new(), right: BinaryTree::new(),
})); }));
} }
Some(ref mut n) => { Some(n) => {
if value < n.value { if value < n.value {
n.left.insert(value); n.left.insert(value);
} else if value > n.value { } else if value > n.value {