Powerful tool to avoid N+1 DB or HTTP queries


This library provides a generic lazy batching mechanism to avoid N+1 DB queries, HTTP queries, etc.

 * Generic utility to avoid N+1 DB queries, HTTP requests, etc.
 * Adapted Ruby implementation of battle-tested tools like Haskell Haxl, JS
   DataLoader, etc.
 * Batching is isolated and lazy, load data in batch where and when it's
 * Automatically caches previous queries (identity map).
 * Thread-safe (`loader`).
 * No need to share batching through variables or custom defined classes.
 * No dependencies, no monkey-patches, no extra primitives such as Promises.

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