Cassowary
A Swift implementation of the Cassowary linear constraint solver for declarative UI layout and other constraint-based problems.
What is Cassowary?
CassowarySwift is a Swift library that implements the Cassowary linear constraint solver, allowing developers to solve systems of linear constraints declaratively. It enables defining relationships between variables (e.g., UI elements) using equations and inequalities, which is ideal for responsive layout systems. The library automates solving these constraints to find optimal values, reducing manual calculation errors.
Swift developers building applications with complex, dynamic user interfaces on iOS, macOS, or Linux, especially those needing declarative layout systems similar to AutoLayout.
Developers choose CassowarySwift for its accurate port of the proven Cassowary algorithm to Swift, offering a native, cross-platform solution for constraint-based problems without relying on external tools or frameworks.
Overview
A Swift port of the Cassowary linear constraint solver
Use Cases
Best For
- Implementing custom layout engines in Swift applications
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