Adam Chalmers adamchalmers
adamchalmers
/ using_extend.swift
Created
September 11, 2017 15:00
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| let array = Array(0..<10) | |
| let slice = array[2..<5] | |
| // Mixing Array/ArraySlice compiles! | |
| print(extend(array, withNewElems: array)) | |
| print(extend(array, withNewElems: slice)) | |
| print(extend(slice, withNewElems: slice)) | |
| // Mixing Ints/Bools doesn't compile! | |
| print(extend(array, withNewElems: [true, false])) |
adamchalmers
/ extend_withnewelems_array.swift
Created
September 11, 2017 14:48
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| func extend<T>(_: [T], withNewElems: [T]) -> [T] |
adamchalmers
/ extend_withnewelems_t.swift
Created
September 11, 2017 14:47
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| func extend<T>(_: Collection, withNewElems: Collection) -> [T] |
adamchalmers
/ extend_withnewelems_sig_bad.swift
Created
September 11, 2017 14:46
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| func extend<T: Collection>(_ base: T, withNewElems: T) -> T { | |
| // Ignore the function body for now, | |
| // we’re just trying to make it compile. | |
| return base | |
| } |
adamchalmers
/ extend_withnewelems_sig.swift
Created
September 11, 2017 14:46
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| func extend<T: Collection, U: Collection>(_ base: T, withNewElems: U) |
adamchalmers
/ extend_withnewelems_start.swift
Created
September 11, 2017 14:45
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| func extend<T: Collection, U: Collection>(_ base: T, withNewElems: U) | |
| where T.Iterator.Element == U.Iterator.Element { | |
| // function body will go here | |
| // also ignoring return type for now | |
| } |
adamchalmers
/ extend_withnewelems_broken.swift
Created
September 11, 2017 14:43
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| func extend<T: Collection, U: Collection>(_ base: T, withNewElems: U) -> [T.Iterator.Element] | |
| where T.Iterator.Element == U.Iterator.Element { | |
| let newElems = withNewElems.filter { !base.contains($0) } | |
| return Array(base) + newElems | |
| } |
adamchalmers
/ extend_withNewElems.swift
Last active
May 30, 2018 20:08
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| func extend<T: Collection, U: Collection>(_ base: T, withNewElems: U) -> [T.Iterator.Element] | |
| where T.Iterator.Element == U.Iterator.Element, | |
| T.Iterator.Element: Equatable { | |
| let newElems = withNewElems.filter { !base.contains($0) } | |
| return Array(base) + newElems | |
| } |
adamchalmers
/ result.swift
Created
February 8, 2017 22:28
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| import Foundation | |
| // Represents a calculation that could either succeed, or fail with an error message. | |
| enum Result<A> { | |
| // If the calculation was successful, store the result. | |
| case Ok(A) | |
| // If the calculation failed, store the error message. | |
| case Err(String) | |
adamchalmers
/ usu.html
Created
May 17, 2016 05:01
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| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> | |
| <html> | |
| <head> | |
| <meta name="robots" content="noindex, nofollow"> | |
| <link rel="stylesheet" type="text/css" href="/uf/theme/53.css?1461851479"> | |
| <link rel="SHORTCUT ICON" title="BigPulse.com" href="/favicon.ico"> | |
| <title>Selection or information required</title> | |
| <script type="text/javascript"> |