Fix missing import
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1 changed files with 1 additions and 1 deletions
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@ -1932,7 +1932,7 @@ declare_clippy_lint! {
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/// could be rewritten as
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/// ```rust
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/// # use std::collections::HashMap;
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/// # use std::hash::Hash;
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/// # use std::hash::{Hash, BuildHasher};
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/// # trait Serialize {};
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/// impl<K: Hash + Eq, V, S: BuildHasher> Serialize for HashMap<K, V, S> { }
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///
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