Manual Memory Management

Topics

First Steps

• Calling Functions With Pointer Parameters

Safe Memory Access

• Span
• RawSpan
• OutputSpan
• OutputRawSpan
• UTF8Span
• MutableSpan
• MutableRawSpan

Typed Pointers

• UnsafePointer
• UnsafeMutablePointer
• UnsafeBufferPointer
• UnsafeMutableBufferPointer

Raw Pointers

• UnsafeRawPointer
• UnsafeMutableRawPointer
• UnsafeRawBufferPointer
• UnsafeMutableRawBufferPointer

Memory Access

• withUnsafePointer(to:_:)
• withUnsafePointer(to:_:)
• withUnsafeMutablePointer(to:_:)
• withUnsafeBytes(of:_:)
• withUnsafeBytes(of:_:)
• withUnsafeMutableBytes(of:_:)
• withUnsafeTemporaryAllocation(of:capacity:_:)
• withUnsafeTemporaryAllocation(byteCount:alignment:_:)
• swap(_:_:)
• exchange(_:with:)

Memory Layout

• MemoryLayout

Reference Counting

• Unmanaged
• withExtendedLifetime(_:_:)
• withExtendedLifetime(_:_:)
• extendLifetime(_:)

See Also

Programming Tasks

• Input and Output
• Debugging and Reflection
• Macros
• Concurrency
• Key-Path Expressions
• Type Casting and Existential Types
• C Interoperability
• Operator Declarations