[swift] Unsafe Pointer conversion

UnsafePointer Converter.swift

//
//	Swift UnsafePointer converter
//	Kaz Yoshikawa
//
//	These code demonstrates how to convert swift pointers to the other forms of pointers.
//
//	Source:
//	Swift の Array やら ArraySlice やらポインタの変換まとめ
//	https://qiita.com/Satachito/items/4c39c9b06304e4d86660
//
//

import Foundation

//	[Template]
//	let _: UnsafeRawPointer
//	let _: UnsafeMutableRawPointer
//	let _: UnsafePointer<Int>
//	let _: UnsafeMutablePointer<Int>
//	let _: UnsafeRawBufferPointer
//	let _: UnsafeMutableRawBufferPointer
//	let _: UnsafeBufferPointer<Int>
//	let _: UnsafeMutableBufferPointer<Int>
//	let _: Array<Int>
//	let _: ArraySlice<Int>
//	let _: OpaquePointer

func convert(a: [Int]) {
	let _: UnsafeRawPointer = UnsafeRawPointer(a)
	let _: UnsafeMutableRawPointer = UnsafeMutableRawPointer(mutating: a)
	let _: UnsafePointer<Int> = UnsafePointer(a)
	let _: UnsafeMutablePointer<Int> = UnsafeMutablePointer(mutating: a)
	let _: UnsafeRawBufferPointer = a.withUnsafeBytes { $0 }
//	let _: UnsafeMutableRawBufferPointer     = a.withUnsafeMutableBytes { $0 }
	let _: UnsafeBufferPointer<Int> = a.withUnsafeBufferPointer { $0 }
//	let _: UnsafeMutableBufferPointer< Int > = a.withUnsafeMutableBufferPointer { $0 }
	let _: ArraySlice<Int> = ArraySlice(a)
	let _: OpaquePointer = OpaquePointer(a)
}

func convert(w: ArraySlice<Int>) {
	let _: UnsafeRawPointer = w.withUnsafeBytes { $0.baseAddress! }
	let _: UnsafeMutableRawPointer = UnsafeMutableRawPointer(mutating: w.withUnsafeBytes { $0.baseAddress! })
	let _: UnsafePointer<Int> = w.withUnsafeBufferPointer { $0.baseAddress! }
	let _: UnsafeMutablePointer<Int> = UnsafeMutablePointer(mutating: w.withUnsafeBufferPointer { $0.baseAddress! })
	let _: UnsafeRawBufferPointer = w.withUnsafeBytes { $0 }
	let _: UnsafeMutableRawBufferPointer = UnsafeMutableRawBufferPointer(mutating: w.withUnsafeBytes { $0 })
	let _: UnsafeBufferPointer<Int> = w.withUnsafeBufferPointer { $0 }
	let _: UnsafeMutableBufferPointer<Int> = UnsafeMutableBufferPointer(mutating: w.withUnsafeBufferPointer { $0 })
	let _: Array<Int> = Array(w)
	let _: OpaquePointer = OpaquePointer(w.withUnsafeBufferPointer { $0.baseAddress! })
}

func convert(w: UnsafeRawPointer) {
//	let _: UnsafeRawPointer
	let _: UnsafeMutableRawPointer = UnsafeMutableRawPointer(mutating: w)
	let _: UnsafePointer<Int> = w.assumingMemoryBound(to: Int.self)
	let _: UnsafeMutablePointer<Int> = UnsafeMutablePointer(mutating: w.assumingMemoryBound(to: Int.self))
//	let _: UnsafeRawBufferPointer
//	let _: UnsafeMutableRawBufferPointer
//	let _: UnsafeBufferPointer<Int>
//	let _: UnsafeMutableBufferPointer<Int>
//	let _: Array<Int>
//	let _: ArraySlice<Int>
	let _: OpaquePointer = OpaquePointer(w)
}

func convert(w: UnsafeMutableRawPointer) {
	let _: UnsafeRawPointer = UnsafeRawPointer(w)
//	let _: UnsafeMutableRawPointer
	let _: UnsafePointer<Int> = UnsafePointer(w.assumingMemoryBound(to: Int.self))
	let _: UnsafeMutablePointer<Int> = w.assumingMemoryBound(to: Int.self)
//	let _: UnsafeRawBufferPointer
//	let _: UnsafeMutableBufferPointer
//	let _: UnsafeBufferPointer<Int>
//	let _: UnsafeMutableBufferPointer
//	let _: Array<Int>
	let _: OpaquePointer = OpaquePointer(w)
}

func convert(w: UnsafePointer<Int>) {
	let _: UnsafeRawPointer = UnsafeRawPointer(w)
	let _: UnsafeMutableRawPointer = UnsafeMutableRawPointer(mutating: w)
//	let _: UnsafePointer<Int>
	let _: UnsafeMutablePointer<Int> = UnsafeMutablePointer(mutating: w)
//	let _: UnsafeRawBufferPointer
//	let _: nsafeMutableRawBufferPointer
//	let _: UnsafeBufferPointer<Int>
//	let _: UnsafeMutableBufferPointer<Int>
//	let _: Array<Int>
//	let _: ArraySlice<Int>
	let _: OpaquePointer = OpaquePointer(w)

}

func convert(w: UnsafeMutablePointer<Int>) {
	let _: UnsafeRawPointer = UnsafeRawPointer(w)
	let _: UnsafeMutableRawPointer = UnsafeMutableRawPointer(w)
	let _: UnsafePointer<Int> = UnsafePointer(w)
//	let _: UnsafeMutablePointer<Int>
//	let _: UnsafeRawBufferPointer
//	let _: UnsafeMutableRawBufferPointer
//	let _: UnsafeBufferPointer<Int>
//	let _: UnsafeMutableBufferPointer<Int>
//	let _: Array<Int>
//	let _: ArraySlice<Int>
	let _: OpaquePointer = OpaquePointer(w)
}

func convert(w: UnsafeRawBufferPointer) {
	let _: UnsafeRawPointer = w.baseAddress!
	let _: UnsafeMutableRawPointer = UnsafeMutableRawPointer(mutating: w.baseAddress!)
	let _: UnsafePointer<Int> = w.baseAddress!.assumingMemoryBound(to: Int.self)
	let _: UnsafeMutablePointer<Int> = UnsafeMutablePointer(mutating: w.baseAddress!.assumingMemoryBound(to: Int.self))
//	let _: UnsafeRawBufferPointer
//	let _: UnsafeMutableRawBufferPointer
//	let _: UnsafeBufferPointer<Int>
	let _: UnsafeMutableRawBufferPointer = UnsafeMutableRawBufferPointer(mutating: w)
//	let _: Array<Int>
//	let _: ArraySlice<Int>
	let _: OpaquePointer = OpaquePointer(w.baseAddress!)
}

func convert(w: UnsafeMutableRawBufferPointer) {
	let _: UnsafeRawPointer = UnsafeRawPointer(w.baseAddress!)
	let _: UnsafeMutableRawPointer = w.baseAddress!
	let _: UnsafePointer<Int> = UnsafePointer(w.baseAddress!.assumingMemoryBound(to: Int.self))
	let _: UnsafeMutablePointer<Int> = w.baseAddress!.assumingMemoryBound(to: Int.self)
	let _: UnsafeRawBufferPointer = UnsafeRawBufferPointer(w)
//	let _: UnsafeMutableRawBufferPointer
//	let _: UnsafeBufferPointer<Int>
//	let _: UnsafeMutableBufferPointer<Int>
//	let _: Array<Int>
//	let _: ArraySlice<Int>
	let _: OpaquePointer = OpaquePointer(w.baseAddress!)
}

func convert(w: UnsafeBufferPointer<Int>) {
	let _: UnsafeRawPointer = UnsafeRawPointer(w.baseAddress!)
	let _: UnsafeMutableRawPointer = UnsafeMutableRawPointer(mutating: w.baseAddress!)
	let _: UnsafePointer<Int> = UnsafePointer(w.baseAddress!)
	let _: UnsafeMutablePointer<Int> = UnsafeMutablePointer(mutating: w.baseAddress!)
	let _: UnsafeRawBufferPointer = UnsafeRawBufferPointer(w)
	let _: UnsafeMutableRawBufferPointer = UnsafeMutableRawBufferPointer(mutating: UnsafeRawBufferPointer(w))
//	let _: UnsafeBufferPointer<Int>
	let _: UnsafeMutableBufferPointer<Int> = UnsafeMutableBufferPointer(mutating: w)
	let _: Array<Int> = Array(w)
	let _: ArraySlice<Int> = ArraySlice(w)
	let _: OpaquePointer = OpaquePointer(w.baseAddress!)
}

func convert(w: OpaquePointer) {
	let _: UnsafeRawPointer = UnsafeRawPointer(w)
	let _: UnsafeMutableRawPointer = UnsafeMutableRawPointer(w)
	let _: UnsafePointer<Int> = UnsafePointer(w)
	let _: UnsafeMutablePointer<Int> = UnsafeMutablePointer(w)
//	let _: UnsafeRawBufferPointer
//	let _: UnsafeMutableRawBufferPointer
//	let _: UnsafeBufferPointer<Int>
//	let _: UnsafeMutableBufferPointer<Int>
//	let _: Array<Int>
//	let _: ArraySlice<Int>
//	let _: OpaquePointer
}