//! LRU cache implementations
//! LRU 缓存实现
//!
//! # Features
//! 特性
//!
//! - `lru`: Standard LRU cache (default)
//! - `no`: NoCache - zero overhead no-op
//!
//! # Complexity Summary
//! 复杂度总结
//!
//! | Cache | get | set | rm | Space |
//! |---------|------|------|------|-------|
//! | Lru | O(1) | O(1) | O(1) | O(n) |
//! | NoCache | O(1) | O(1) | O(1) | O(1) |
pub use Cache;
pub use Lru;
pub use NoCache;