---
title: Collection Implementations
framework: swift
role: collectionGroup
role_heading: API Collection
path: swift/unsafemutablerawbufferpointer/collection-implementations
---

# Collection Implementations

## Topics

### Instance Properties

- [count](swift/unsafemutablerawbufferpointer/count.md)
- [endIndex](swift/unsafemutablerawbufferpointer/endindex.md)
- [first](swift/unsafemutablerawbufferpointer/first.md)
- [indices](swift/unsafemutablerawbufferpointer/indices-swift.property.md)
- [isEmpty](swift/unsafemutablerawbufferpointer/isempty.md)
- [startIndex](swift/unsafemutablerawbufferpointer/startindex.md)
- [underestimatedCount](swift/unsafemutablerawbufferpointer/underestimatedcount.md)

### Instance Methods

- [drop(while:)](swift/unsafemutablerawbufferpointer/drop(while:).md)
- [dropFirst(_:)](swift/unsafemutablerawbufferpointer/dropfirst(_:).md)
- [firstIndex(of:)](swift/unsafemutablerawbufferpointer/firstindex(of:).md)
- [firstIndex(where:)](swift/unsafemutablerawbufferpointer/firstindex(where:).md)
- [formIndex(_:offsetBy:)](swift/unsafemutablerawbufferpointer/formindex(_:offsetby:).md)
- [formIndex(_:offsetBy:limitedBy:)](swift/unsafemutablerawbufferpointer/formindex(_:offsetby:limitedby:).md)
- [formIndex(after:)](swift/unsafemutablerawbufferpointer/formindex(after:).md)
- [index(of:)](swift/unsafemutablerawbufferpointer/index(of:).md)
- [indices(of:)](swift/unsafemutablerawbufferpointer/indices(of:).md)
- [indices(where:)](swift/unsafemutablerawbufferpointer/indices(where:).md)
- [map(_:)](swift/unsafemutablerawbufferpointer/map(_:)-5p6ol.md)
- [prefix(_:)](swift/unsafemutablerawbufferpointer/prefix(_:).md)
- [prefix(through:)](swift/unsafemutablerawbufferpointer/prefix(through:).md)
- [prefix(upTo:)](swift/unsafemutablerawbufferpointer/prefix(upto:).md)
- [prefix(while:)](swift/unsafemutablerawbufferpointer/prefix(while:).md)
- [randomElement()](swift/unsafemutablerawbufferpointer/randomelement().md)
- [randomElement(using:)](swift/unsafemutablerawbufferpointer/randomelement(using:).md)
- [removingSubranges(_:)](swift/unsafemutablerawbufferpointer/removingsubranges(_:).md)
- [split(maxSplits:omittingEmptySubsequences:whereSeparator:)](swift/unsafemutablerawbufferpointer/split(maxsplits:omittingemptysubsequences:whereseparator:).md)
- [split(separator:maxSplits:omittingEmptySubsequences:)](swift/unsafemutablerawbufferpointer/split(separator:maxsplits:omittingemptysubsequences:).md)
- [suffix(from:)](swift/unsafemutablerawbufferpointer/suffix(from:).md)

### Subscripts

- [subscript(_:)](swift/unsafemutablerawbufferpointer/subscript(_:)-2nyb9.md)
- [subscript(_:)](swift/unsafemutablerawbufferpointer/subscript(_:)-392pf.md)
- [subscript(_:)](swift/unsafemutablerawbufferpointer/subscript(_:)-4al8k.md)
- [subscript(_:)](swift/unsafemutablerawbufferpointer/subscript(_:)-4h7rb.md)

### Type Aliases

- [UnsafeMutableRawBufferPointer.Index](swift/unsafemutablerawbufferpointer/index.md)
- [UnsafeMutableRawBufferPointer.Indices](swift/unsafemutablerawbufferpointer/indices-swift.typealias.md)
- [UnsafeMutableRawBufferPointer.SubSequence](swift/unsafemutablerawbufferpointer/subsequence.md)