英文原版Swift 2 by Example 1st Edition

CreaterobustandextensibleiOSappsusingtheadvancedfeaturesofSwift2SwiftisnolongertheunripelanguageitwaswhenlaunchedbyAppleatWWDC14,nowit’sapowerfulandready-for-productionprogramminglanguagethathasempoweredmostnewreleasedapps.Swiftisauser-friendlylanguagewi