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CHALLENGES BUILDING A SWIFT FRAMEWORK

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REALM > Object-oriented > Fully ACID transactions > Well-defined threading model > Native links > Zero-copy > Cross-Platform

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BUT WHAT ABOUT ?

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HOW TO INTERFACE C++ FROM SWIFT?

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CLANG MODULEMAP framework module Realm { umbrella header "Realm.h" export * module * { export * } explicit module Private { header "RLMArray_Private.h" header "RLMObject_Private.h" // … } }

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FIND A VIABLE WAY TO DISTRIBUTE A FRAMEWORK WHICH VENDORS ANOTHER

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! APPSTORE

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CARTHAGE EXPECTS ONLY 1 FRAMEWORK PER REPO

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WORKAROUND: SERVE ! VIA GITHUB

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MAKING COCOAPODS use_framework! READY FOR PRIME TIME

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Pod::Spec.new do |s| s.name = 'Realm' # … s.module_map = 'Realm/module.modulemap' end Pod::Spec.new do |s| s.name = 'RealmSwift' # … s.dependency 'Realm', "= #{s.version}" end

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! READY TO SHIP

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! BUT WHAT ELSE IS NEEDED?

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DOCS

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API DOCS

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APPLEDOC FOR OBJECTIVE-C /** Lorem ipsum dolor sit amet. @param bar Consectetur adipisicing elit. @return Sed do eiusmod tempor. */ func foo(bar: String) -> AnyObject { ... }

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RESTRUCTURED TEXT (REST) UNTIL SWIFT 1.2 /** Lorem ipsum dolor sit amet. :param: bar Consectetur adipisicing elit. :returns: Sed do eiusmod tempor. */ func foo(bar: String) -> AnyObject { ... }

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MARKDOWN FOR SWIFT 2.0 /** Lorem ipsum dolor sit amet. - parameter bar: Consectetur adipisicing elit. - returns: Sed do eiusmod tempor. */ func foo(bar: String) -> AnyObject { ... }

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GET'S THE AST VIA SOURCEKITTEN

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!

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⚠ VERIFY CODE EXAMPLES

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SWIFT IS EVOLVING FAST

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IT'S HARD TO KEEP UP WITH THE PACE ! WHEN WRITING ACTUAL APPS

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TO MANY OTHER THINGS TO DELIVER > Extensions > Watch Extensions > Watch Apps > 3D Touch > …

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SWIFT 1.2 ! IS STILL RELEVANT

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! IN THE ROOM

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CI

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HOW TO SUPPORT MULTIPLE SWIFT VERSIONS AT ONCE?

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MULTIPLE BRANCH MODEL > master > swift-1.2 > swift-2.1 > …

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$ tree -L 2 | ! . !"" RealmSwift -> RealmSwift-swift2.0 !"" RealmSwift-swift1.2 # !"" Object.swift # !"" … # $"" Tests # !"" RealmSwift-swift2.0 # !"" Object.swift # !"" … # $"" Tests # !"" RealmSwift-swift2.1 -> RealmSwift-swift2.0 # !"" …

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CI DOESN'T NEED TO STOP AT TESTS

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TEST ALL INTEGRATION SCENARIOS

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pod lib lint

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STYLEGUIDE

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ESTABLISH CONVENTIONS

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ENFORCE CONVENTIONS

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try! questions.map { try $0.answer() }

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THANKS FOR YOUR ATTENTION! @MRACKWITZ [email protected]