View Changeable.swift
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public protocol Changeable {} | |
extension Changeable { | |
/// Calls the `changes` closure passing the receiver value as an `inout` parameter. The final value of the argument | |
/// after the `changes` closure returns is then returned from this method. Benefits to using this function come | |
/// when used against value types. | |
/// | |
/// Example: | |
/// | |
/// extension UIEdgeInsets: Changeable {} |
View Material+UnknownCaseRepresentable.swift
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enum Material: String { | |
case wood, metal, glass, other | |
} | |
extension Material: Codable {} | |
extension Material: UnknownCaseRepresentable { | |
static let unknownCase: Material = .other | |
} |
View UnknownCaseRepresentable.swift
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protocol UnknownCaseRepresentable: RawRepresentable, CaseIterable { | |
static var unknownCase: Self { get } | |
} | |
extension UnknownCaseRepresentable where Self.RawValue: Equatable { | |
init(rawValue: RawValue) { | |
let value = Self.allCases.first(where: { $0.rawValue == rawValue }) | |
self = value ?? Self.unknownCase | |
} | |
} |
View Material+Decoding2.swift
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extension Material { | |
init(from decoder: Decoder) throws { | |
self = try Material(from: decoder, default: .other) | |
} | |
} |
View RawRepresentable+Decodable.swift
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extension RawRepresentable where RawValue: Decodable { | |
init(from decoder: Decoder, default: Self) throws { | |
let container = try decoder.singleValueContainer() | |
let rawValue = try container.decode(RawValue.self) | |
self = Self(rawValue: rawValue) ?? `default` | |
} | |
} |
View Material+Decoding.swift
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extension Material { | |
init(from decoder: Decoder) throws { | |
let container = try decoder.singleValueContainer() | |
let rawMaterial = try container.decode(String.self) | |
self = Material(rawValue: rawMaterial) ?? .other | |
} | |
} |
View Material.swift
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enum Material: String, Codable { | |
case wood, metal, glass, other | |
} |
View ImageDescriptorUsage.swift
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imageView.apply(.logo) | |
imageView.apply( | |
.productImage(with: URL(string: "http://my-image-url")!), | |
loading: .loading, | |
failure: .failure | |
) |
View ImageDescriptors.swift
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extension ImageDescriptor where ImageReference == UIImage { | |
static let logo = ImageDescriptor<UIImage>( | |
imageReference: UIImage(named: "logo")!.withRenderingMode(.alwaysTemplate), | |
properties: UIImageView.Properties( | |
contentMode: .center, | |
backgroundColor: .white, | |
tintColor: .lightGray, | |
accessibilityIdentifier: "logoImage" | |
) | |
) |
View UIImageView+ImageDescriptor.swift
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extension UIImageView { | |
func apply(_ imageDescriptor: ImageDescriptor<UIImage>) { | |
cancelAnyExistingFetches() | |
accessibilityIdentifier = imageDescriptor.properties.accessibilityIdentifier | |
backgroundColor = imageDescriptor.properties.backgroundColor | |
contentMode = imageDescriptor.properties.contentMode | |
tintColor = imageDescriptor.properties.tintColor | |
image = imageDescriptor.imageReference | |
} |
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