apple/swift-collections

Health v2 · maintenance only

Adoption not part of the score

4481 stars · 403 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

An open-source Swift package from Apple providing implementations of commonly used data structures such as deques, ordered sets, ordered dictionaries, heaps, bit collections, and hash-based tree collections. It extends the Swift standard library with production-quality, generic container types organized into thematic modules.

Use cases

• need a deque or double-ended queue in Swift
• want an ordered set or ordered dictionary preserving insertion order
• need a priority queue or heap implementation
• require a fixed-capacity or uniquely-owned array type
• looking for a sorted or tree-backed dictionary in Swift
• need efficient bit set collections

When to choose

• you are writing Swift and need data structures missing from the standard library
• you want Apple-maintained, well-tested collection implementations
• you need performance-optimized generic containers via Swift Package Manager

When to avoid

• your project is not in Swift
• the standard library's Array, Set, and Dictionary already meet your needs
• you need highly specialized structures not offered by the package

Facets

library · maturity stable

developer-tools developer-tools programming-languages cross-platform data-structures collections deque ordered-dictionary ordered-set heap bitset swift-package algorithms swift

Member repositories

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markdown · JSON · MCP: product_card(name="apple/swift-collections")