surrealdb_core::idx::trees::bkeys

Trait BKeys

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pub trait BKeys:
    Default
    + Debug
    + Display
    + Sized {

Show 16 methods    // Required methods
    fn with_key_val(key: Key, payload: Payload) -> Result<Self, Error>;
    fn len(&self) -> u32;
    fn is_empty(&self) -> bool;
    fn get(&self, key: &Key) -> Option<Payload>;
    fn collect_with_prefix(
        &self,
        prefix_key: &Key,
    ) -> Result<VecDeque<(Key, Payload)>, Error>;
    fn insert(&mut self, key: Key, payload: Payload) -> Option<Payload>;
    fn append(&mut self, keys: Self);
    fn remove(&mut self, key: &Key) -> Option<Payload>;
    fn split_keys(self) -> Result<SplitKeys<Self>, Error>;
    fn get_key(&self, idx: usize) -> Option<Key>;
    fn get_child_idx(&self, searched_key: &Key) -> usize;
    fn get_first_key(&self) -> Option<(Key, Payload)>;
    fn get_last_key(&self) -> Option<(Key, Payload)>;
    fn read_from(c: &mut Cursor<Vec<u8>>) -> Result<Self, Error>;
    fn write_to(&self, c: &mut Cursor<Vec<u8>>) -> Result<(), Error>;

    // Provided method
    fn compile(&mut self) { ... }

}

Required Methods§

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fn with_key_val(key: Key, payload: Payload) -> Result<Self, Error>

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fn len(&self) -> u32

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fn is_empty(&self) -> bool

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fn get(&self, key: &Key) -> Option<Payload>

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fn collect_with_prefix( &self, prefix_key: &Key, ) -> Result<VecDeque<(Key, Payload)>, Error>

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fn insert(&mut self, key: Key, payload: Payload) -> Option<Payload>

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fn append(&mut self, keys: Self)

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fn remove(&mut self, key: &Key) -> Option<Payload>

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fn split_keys(self) -> Result<SplitKeys<Self>, Error>

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fn get_key(&self, idx: usize) -> Option<Key>

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fn get_child_idx(&self, searched_key: &Key) -> usize

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fn get_first_key(&self) -> Option<(Key, Payload)>

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fn get_last_key(&self) -> Option<(Key, Payload)>

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fn read_from(c: &mut Cursor<Vec<u8>>) -> Result<Self, Error>

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fn write_to(&self, c: &mut Cursor<Vec<u8>>) -> Result<(), Error>

Provided Methods§

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fn compile(&mut self)

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors§