Swift Snippets

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A collection of Swift snippets to be used in Xcode

Usage

• swifttrycatch

do{try<#code#>}catch<#errortype#> {<#code#>}catch<#errortype#> {<#code#>}

• swiftassociatedobject

privatestruct AssociatedKeys {staticvar<#name#>="<#name#>"}var<#name#>: String?{get{returnobjc_getAssociatedObject(self,&AssociatedKeys.<#name#>)as?String}set{iflet newValue = newValue {objc_setAssociatedObject(self,&AssociatedKeys.<#name#>, newValue asString?,.OBJC_ASSOCIATION_RETAIN_NONATOMIC
)}}}

• swiftavailable

@available(iOS 7,*)

• swiftcheckavailability

if #available(iOS 9,*){<#API available statements#>}elseif #available(macOS 10.12,*){<#API available statements#>}else{<#fallback statements#>}

• swiftcheckversion

#if swift(>=3.0)<#code#>#elseif swift(>=2.2)<#code#>#elseif swift(>=2.1)<#code#>#endif

• swiftcheckplatform

#if os(iOS) || os(tvOS)<#code#>#elseif os(watchOS)<#code#>#elseif os(OSX)<#code#>#endif

• swiftdispatchafter

DispatchQueue.main.asyncAfter(deadline:.now()+<#time#>){<#code#>}

• swiftdispatchasync

DispatchQueue.global(qos:.background).async{<#code#>}

• swiftdispatchonce

let<#name#>:<#type#>={return<#code#>}()

• swiftinitcoder

publicrequiredinit?(coder aDecoder:NSCoder){fatalError("init(coder:) has not been implemented")}

• swiftmark

// MARK: - <#section#>

• swiftsubscript

subscript(<#name#>:<#type#>)-><#type#>{get{return<#value#>}set(newValue){<#code#>}}

• swiftguardself

guardlet `self` =selfelse{return}

• swiftuitableviewdatasource

func numberOfSections(in tableView:UITableView)->Int{return<#count#>}func tableView(_ tableView:UITableView, numberOfRowsInSection section:Int)->Int{return<#count#>}func tableView(_ tableView:UITableView, cellForRowAt indexPath:IndexPath)->UITableViewCell{<#code#>}

• swiftuicollectionviewdatasource

func numberOfSections(in collectionView:UICollectionView)->Int{return<#count#>}func collectionView(_ collectionView:UICollectionView, numberOfItemsInSection section:Int)->Int{return<#count#>}func collectionView(_ collectionView:UICollectionView, cellForItemAt indexPath:IndexPath)->UICollectionViewCell{<#code#>}

• swiftuipickerviewdatasource

func numberOfComponents(in pickerView:UIPickerView)->Int{return<#count#>}func pickerView(_ pickerView:UIPickerView, numberOfRowsInComponent component:Int)->Int{return<#count#>}

Installation

Manual

Drag codesnippet files from Snippets into /Library/Developer/Xcode/UserData/CodeSnippets

Automatic

Run this in your terminal

curl -fsSL https://raw.githubusercontent.com/hyperoslo/SwiftSnippets/master/install.sh | sh

Author

• Khoa Pham, onmyway133@gmai.com

Credit

• Hyper Interaktiv AS, ios@hyper.no

License

SwiftSnippets is available under the MIT license. See the LICENSE file for more info.