hnsw-stable 0.10.1

Pure-Rust port of hnswlib (HNSW approximate nearest neighbors)
Documentation 
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pub type Result<T> = std::result::Result<T, Error>;

#[derive(thiserror::Error, Debug)]
pub enum Error
{
  #[error("dimension mismatch: expected {expected}, got {actual}")]
  DimensionMismatch
  {
    expected: usize, actual: usize
  },

  #[error("key not found")]
  KeyNotFound,

  #[error("key already exists")]
  KeyAlreadyExists,

  #[error("index is full (max_nodes={max_nodes})")]
  IndexFull
  {
    max_nodes: usize
  },

  #[error("index is empty")]
  EmptyIndex,

  #[error("missing vector")]
  MissingVector,

  #[error("invalid index format: {0}")]
  InvalidIndexFormat(String),

  #[error(transparent)]
  Io(#[from] std::io::Error),
}