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feat(toml): add Map::retain method #575

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merged 2 commits into from Jul 3, 2023
Merged

feat(toml): add Map::retain method #575

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be777a0
toml: add Map::retain method
marcospb19 Jun 28, 2023
ab57004
toml: replace `&String` by `&String` in Map::retain
marcospb19 Jun 28, 2023
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14 changes: 14 additions & 0 deletions crates/toml/src/map.rs
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Expand Up @@ -138,6 +138,20 @@ impl Map<String, Value> {
self.map.remove(key)
}

/// Retains only the elements specified by the `keep` predicate.
///
/// In other words, remove all pairs `(k, v)` for which `keep(&k, &mut v)`
/// returns `false`.
///
/// The elements are visited in iteration order.
#[inline]
pub fn retain<F>(&mut self, keep: F)
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where
F: FnMut(&String, &mut Value) -> bool,
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{
self.map.retain(keep);
}

/// Gets the given key's corresponding entry in the map for in-place
/// manipulation.
pub fn entry<S>(&mut self, key: S) -> Entry<'_>
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