Shallows
A generic abstraction layer for lightweight data storage and persistence in Swift, enabling composable caching solutions.
What is Shallows?
Shallows is a Swift library that provides a generic abstraction layer for lightweight data storage and persistence. It solves the problem of building flexible and composable caching systems by offering a core `Storage<Key, Value>` type that can be transformed and combined with other storages. It simplifies creating efficient data layers for apps, supporting in-memory, disk, and custom storage backends.
Swift developers building iOS, macOS, watchOS, or tvOS applications who need customizable caching, persistence, or data abstraction layers. It's particularly useful for those who want fine-grained control over their storage logic without heavy dependencies.
Developers choose Shallows for its minimal, composable design that avoids locking them into a specific implementation. Its powerful transformation and composition features, like zipping and error recovery, allow for building sophisticated storage solutions with minimal code, inspired by functional programming principles.
Overview
🛶 Your lightweight persistence toolbox
Use Cases
Best For
- Building custom caching layers that combine memory and disk storage
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