# SetAlgebra Implementations

*API Collection*

## Topics

### Initializers

- [`GSWritingDirection init(_:)`](/Core/GlyphsCore/GSWritingDirection/init(_:))
- [`GSWritingDirection init(arrayLiteral:)`](/Core/GlyphsCore/GSWritingDirection/init(arrayLiteral:))

### Instance Properties

- [`GSWritingDirection.isEmpty`](/Core/GlyphsCore/GSWritingDirection/isEmpty)

### Instance Methods

- [`GSWritingDirection isDisjoint(with:)`](/Core/GlyphsCore/GSWritingDirection/isDisjoint(with:))
- [`GSWritingDirection isStrictSubset(of:)`](/Core/GlyphsCore/GSWritingDirection/isStrictSubset(of:))
- [`GSWritingDirection isStrictSuperset(of:)`](/Core/GlyphsCore/GSWritingDirection/isStrictSuperset(of:))
- [`GSWritingDirection isSubset(of:)`](/Core/GlyphsCore/GSWritingDirection/isSubset(of:))
- [`GSWritingDirection isSuperset(of:)`](/Core/GlyphsCore/GSWritingDirection/isSuperset(of:))
- [`GSWritingDirection subtract(_:)`](/Core/GlyphsCore/GSWritingDirection/subtract(_:))
- [`GSWritingDirection subtracting(_:)`](/Core/GlyphsCore/GSWritingDirection/subtracting(_:))