Wrapping Protocols

Undocumented

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public protocol NewType

Undocumented

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public protocol IntegerWrapping : Comparable, ExpressibleByIntegerLiteral, Hashable

Undocumented

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public protocol FloatWrapping:
    ExpressibleByFloatLiteral,
    ExpressibleByIntegerLiteral,
    Hashable,
    Comparable

Undocumented

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public protocol DoubleWrapping:
    ExpressibleByFloatLiteral,
    ExpressibleByIntegerLiteral,
    Hashable,
    Comparable

SequenceWrapping is a type-erasing protocol that allows a Sequence-conforming structure to wrap any underlying Sequence implementation.

For example, PitchSet and PitchCollection are both containers for Pitch values, and should both be able to be used as Sequence conforming structures.

By conforming to this protocol, the PitchSet can use a Set<Pitch> as its underlying model, while PitchSequence can use an Array<Pitch> as its underlying model.

In the conforming struct, it is necessary to add a private var which is an implementation of a Sequence-conforming struct, which is then given by the sequence getter.

In the init method of the conforming struct, set the value of this private var with the given sequence.

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public protocol SequenceWrapping : Sequence

CollectionWrapping is a type-erasing protocol that allows a Collection-conforming structure to wrap any underlying Collection implementation.

As a result, all of the Collection boilerplate is done for free.

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public protocol CollectionWrapping : Collection

Undocumented

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public protocol SortedCollectionWrapping : Collection

Interface for wrapping any RandomAccessCollection type. The RandomAccessCollection interface is exposed, regardless of the concrete implementation of the wrapped type.

The performance guarantees made by the RandomAccessCollection are sustained.

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public protocol RandomAccessCollectionWrapping : RandomAccessCollection