Struct Idx 

pub struct Idx<K: Copy + PartialEq + Hash, V: Copy + Hash> { /* private fields */ }

An index mapping keys to values

Implementations

impl<K: Copy + PartialEq + Hash, V: Copy + Hash> Idx<K, V>

pub fn new<P: Into<PathBuf>>(path: P) -> Result<Self>

Construct a new Idx given a path

pub fn anonymous() -> Result<Self>

Construct a new in-memory Idx

pub fn insert(&self, k: K, v: V) -> Result<()>

Insert a new key-value pair into the index, if the key is already there, this is a no-op.

pub fn get(&self, k: &K) -> Option<&V>

Get the value, if any, associated with key