# SetAlgebra Implementations

*API Collection*

## Topics

### Initializers

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

### Instance Properties

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

### Instance Methods

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