Generative Programming in Swift

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Generative Programming in Swift Presented by @kaneshin 08/20/2016 iOSDC

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@kaneshin (Shintaro Kaneko) - Principal Engineer / Manager - Gopher, Vimmer, Photographer, Mathematician

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Unleashing the real power of Core Data with the elegance and safety of Swift

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ੜ੒తϓϩάϥϛϯά Generative Programming

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࣮ફ͍ͯ͠Δਓ

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Generative Programming - Generics struct Something { let with: T }

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Generative Programming - Generics struct Something { let with: T }

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࣮ફ͍ͯ͠Δਓ

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ੜ੒తϓϩάϥϛϯά ͱ͸ʁ

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ੜ੒తϓϩάϥϛϯά: Generative programming δΣωϦοΫͳΫϥεɺϓϩτλΠϓϕʔεɺςϯϓϨʔτɺΞε ϖΫτɺίʔυੜ੒ͳͲͷٕ๏Λ࢖ͬͯιʔείʔυ࡞੒ΛࣗಈԽ ͠ɺϓϩάϥϚͷੜ࢈ੑΛ޲্ͤ͞ΔϓϩάϥϛϯάͷελΠϧͰ ͋Δɻ ιϑτ΢ΣΞίϯϙʔωϯτͳͲͷίʔυ࠶ར༻ͷٕ๏ͱ΋࿈ܞ͠ ͯ࢖༻͞ΕΔɻ

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Generics Programming

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"Dynamic, highly parameterized software is harder to understand and build than more static software." (Gang of Four 1995:21)

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Generics are a trade off between programmer time, compilation time, and execution time. See https://github.com/golang/proposal/blob/master/design/15292-generics.md

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Code Generation

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JSON Hyper Schema + HTTP Request

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JSON Hyper Schema Swagger prmd

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HTTP Request Alamoﬁre APIKit

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Code Generation • Demo (If enough time to introduce) • https://github.com/kaneshin/genkit (golang, ver. 0.0.1) • JSON Hyper Schema - prmd • HTTP Request - APIKit

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Thank you Credit: NASA Earth Observatory/NOAA NGDC