mirror of
https://github.com/encounter/JSONAPI.git
synced 2026-03-30 11:18:38 -07:00
merge and fix conflicts
This commit is contained in:
Mathew Polzin
@@ -0,0 +1,78 @@
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//
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// File.swift
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//
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//
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// Created by Mathew Polzin on 11/5/19.
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//
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import JSONAPI
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public enum ArrayElementComparison: Equatable, CustomStringConvertible {
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case same
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case missing
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case differentTypes(String, String)
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case differentValues(String, String)
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case prebuilt(String)
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public init(sameTypeComparison: Comparison) {
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switch sameTypeComparison {
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case .same:
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self = .same
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case .different(let one, let two):
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self = .differentValues(one, two)
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case .prebuilt(let str):
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self = .prebuilt(str)
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}
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}
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public init(resourceObjectComparison: ResourceObjectComparison) {
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guard !resourceObjectComparison.isSame else {
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self = .same
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return
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}
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self = .prebuilt(
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resourceObjectComparison
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.differences
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.sorted { $0.key < $1.key }
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.map { "\($0.key): \($0.value)" }
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.joined(separator: ", ")
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)
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}
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public var description: String {
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switch self {
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case .same:
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return "same"
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case .missing:
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return "missing"
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case .differentTypes(let one, let two),
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.differentValues(let one, let two):
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return "\(one) ≠ \(two)"
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case .prebuilt(let description):
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return description
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}
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}
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public var rawValue: String { description }
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}
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extension Array {
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func compare(to other: Self, using compare: (Element, Element) -> ArrayElementComparison) -> [ArrayElementComparison] {
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let isSelfLonger = count >= other.count
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let longer = isSelfLonger ? self : other
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let shorter = isSelfLonger ? other : self
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return longer.indices.map { idx in
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guard shorter.indices.contains(idx) else {
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return .missing
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}
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let this = longer[idx]
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let other = shorter[idx]
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return compare(this, other)
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}
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}
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}
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@@ -0,0 +1,78 @@
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//
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// File.swift
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//
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//
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// Created by Mathew Polzin on 11/3/19.
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//
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import JSONAPI
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extension Attributes {
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public func compare(to other: Self) -> [String: Comparison] {
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let mirror1 = Mirror(reflecting: self)
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let mirror2 = Mirror(reflecting: other)
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var comparisons = [String: Comparison]()
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for child in mirror1.children {
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guard let childLabel = child.label else { continue }
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let childDescription = attributeDescription(of: child.value)
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guard let otherChild = mirror2.children.first(where: { $0.label == childLabel }) else {
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comparisons[childLabel] = .different(childDescription, "missing")
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continue
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}
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if (attributesEqual(child.value, otherChild.value)) {
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comparisons[childLabel] = .same
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} else {
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let otherChildDescription = attributeDescription(of: otherChild.value)
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comparisons[childLabel] = .different(childDescription, otherChildDescription)
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}
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}
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return comparisons
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}
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}
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fileprivate func attributesEqual(_ one: Any, _ two: Any) -> Bool {
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guard let attr = one as? AbstractAttribute else {
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return false
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}
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return attr.equals(two)
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}
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fileprivate func attributeDescription(of thing: Any) -> String {
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return (thing as? AbstractAttribute)?.abstractDescription ?? String(describing: thing)
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}
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protocol AbstractAttribute {
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var abstractDescription: String { get }
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func equals(_ other: Any) -> Bool
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}
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extension Attribute: AbstractAttribute {
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var abstractDescription: String { String(describing: value) }
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func equals(_ other: Any) -> Bool {
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guard let attributeB = other as? Self else {
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return false
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}
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return abstractDescription == attributeB.abstractDescription
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}
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}
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extension TransformedAttribute: AbstractAttribute {
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var abstractDescription: String { String(describing: value) }
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func equals(_ other: Any) -> Bool {
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guard let attributeB = other as? Self else {
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return false
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}
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return abstractDescription == attributeB.abstractDescription
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}
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}
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@@ -0,0 +1,68 @@
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//
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// Comparison.swift
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//
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//
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// Created by Mathew Polzin on 11/3/19.
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//
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public enum Comparison: Equatable, CustomStringConvertible {
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case same
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case different(String, String)
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case prebuilt(String)
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init<T: Equatable>(_ one: T, _ two: T) {
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guard one == two else {
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self = .different(String(describing: one), String(describing: two))
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return
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}
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self = .same
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}
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init(reducing other: ArrayElementComparison) {
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switch other {
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case .same:
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self = .same
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case .differentTypes(let one, let two),
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.differentValues(let one, let two):
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self = .different(one, two)
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case .missing:
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self = .different("array length 1", "array length 2")
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case .prebuilt(let str):
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self = .prebuilt(str)
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}
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}
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public var description: String {
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switch self {
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case .same:
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return "same"
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case .different(let one, let two):
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return "\(one) ≠ \(two)"
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case .prebuilt(let str):
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return str
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}
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}
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public var rawValue: String { description }
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public var isSame: Bool { self == .same }
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}
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public typealias NamedDifferences = [String: String]
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public protocol PropertyComparable: CustomStringConvertible {
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var differences: NamedDifferences { get }
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}
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extension PropertyComparable {
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public var description: String {
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return differences
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.map { "(\($0): \($1))" }
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.sorted()
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.joined(separator: ", ")
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}
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public var rawValue: String { description }
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public var isSame: Bool { differences.isEmpty }
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}
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@@ -0,0 +1,180 @@
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//
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// DocumentCompare.swift
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// JSONAPITesting
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//
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// Created by Mathew Polzin on 11/4/19.
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//
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import JSONAPI
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public struct DocumentComparison: Equatable, PropertyComparable {
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public let apiDescription: Comparison
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public let body: BodyComparison
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init(apiDescription: Comparison, body: BodyComparison) {
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self.apiDescription = apiDescription
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self.body = body
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}
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public var differences: NamedDifferences {
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return Dictionary(
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[
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apiDescription != .same ? ("API Description", apiDescription.rawValue) : nil,
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body != .same ? ("Body", body.rawValue) : nil
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].compactMap { $0 },
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uniquingKeysWith: { $1 }
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)
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}
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}
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public enum BodyComparison: Equatable, CustomStringConvertible {
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case same
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case dataErrorMismatch(errorOnLeft: Bool)
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case differentErrors(ErrorComparison)
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case differentData(DocumentDataComparison)
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public typealias ErrorComparison = [Comparison]
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static func compare<E: JSONAPIError, M: JSONAPI.Meta, L: JSONAPI.Links>(errors errors1: [E], _ meta1: M?, _ links1: L?, with errors2: [E], _ meta2: M?, _ links2: L?) -> ErrorComparison {
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return errors1.compare(
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to: errors2,
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using: { error1, error2 in
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guard error1 != error2 else {
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return .same
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}
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return .differentValues(
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String(describing: error1),
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String(describing: error2)
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)
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}
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).map(Comparison.init) + [
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Comparison(meta1, meta2),
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Comparison(links1, links2)
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]
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}
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public var description: String {
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switch self {
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case .same:
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return "same"
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case .dataErrorMismatch(errorOnLeft: let errorOnLeft):
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let errorString = "error response"
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let dataString = "data response"
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let left = errorOnLeft ? errorString : dataString
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let right = errorOnLeft ? dataString : errorString
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return "\(left) ≠ \(right)"
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case .differentErrors(let comparisons):
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return comparisons
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.filter { !$0.isSame }
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.map { $0.rawValue }
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.sorted()
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.joined(separator: ", ")
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case .differentData(let comparison):
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return comparison.rawValue
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}
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}
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public var rawValue: String { description }
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}
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extension Document {
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public func compare<T>(to other: Self) -> DocumentComparison where PrimaryResourceBody == SingleResourceBody<T>, T: ResourceObjectType {
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return DocumentComparison(
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apiDescription: Comparison(
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String(describing: apiDescription),
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String(describing: other.apiDescription)
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||||
),
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body: body.compare(to: other.body)
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||||
)
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||||
}
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||||
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public func compare<T>(to other: Self) -> DocumentComparison where PrimaryResourceBody == SingleResourceBody<T?>, T: ResourceObjectType {
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return DocumentComparison(
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apiDescription: Comparison(
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||||
String(describing: apiDescription),
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||||
String(describing: other.apiDescription)
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||||
),
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body: body.compare(to: other.body)
|
||||
)
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||||
}
|
||||
|
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public func compare<T>(to other: Self) -> DocumentComparison where PrimaryResourceBody == ManyResourceBody<T>, T: ResourceObjectType {
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return DocumentComparison(
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apiDescription: Comparison(
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||||
String(describing: apiDescription),
|
||||
String(describing: other.apiDescription)
|
||||
),
|
||||
body: body.compare(to: other.body)
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
extension Document.Body {
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||||
public func compare<T>(to other: Self) -> BodyComparison where T: ResourceObjectType, PrimaryResourceBody == SingleResourceBody<T> {
|
||||
guard self != other else {
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||||
return .same
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||||
}
|
||||
|
||||
switch (self, other) {
|
||||
case (.errors(let errors1), .errors(let errors2)):
|
||||
return .differentErrors(BodyComparison.compare(errors: errors1.0,
|
||||
errors1.meta,
|
||||
errors1.links,
|
||||
with: errors2.0,
|
||||
errors2.meta,
|
||||
errors2.links))
|
||||
case (.errors, .data):
|
||||
return .dataErrorMismatch(errorOnLeft: true)
|
||||
case (.data, .errors):
|
||||
return .dataErrorMismatch(errorOnLeft: false)
|
||||
case (.data(let data1), .data(let data2)):
|
||||
return .differentData(data1.compare(to: data2))
|
||||
}
|
||||
}
|
||||
|
||||
public func compare<T>(to other: Self) -> BodyComparison where T: ResourceObjectType, PrimaryResourceBody == SingleResourceBody<T?> {
|
||||
guard self != other else {
|
||||
return .same
|
||||
}
|
||||
|
||||
switch (self, other) {
|
||||
case (.errors(let errors1), .errors(let errors2)):
|
||||
return .differentErrors(BodyComparison.compare(errors: errors1.0,
|
||||
errors1.meta,
|
||||
errors1.links,
|
||||
with: errors2.0,
|
||||
errors2.meta,
|
||||
errors2.links))
|
||||
case (.errors, .data):
|
||||
return .dataErrorMismatch(errorOnLeft: true)
|
||||
case (.data, .errors):
|
||||
return .dataErrorMismatch(errorOnLeft: false)
|
||||
case (.data(let data1), .data(let data2)):
|
||||
return .differentData(data1.compare(to: data2))
|
||||
}
|
||||
}
|
||||
|
||||
public func compare<T>(to other: Self) -> BodyComparison where T: ResourceObjectType, PrimaryResourceBody == ManyResourceBody<T> {
|
||||
guard self != other else {
|
||||
return .same
|
||||
}
|
||||
|
||||
switch (self, other) {
|
||||
case (.errors(let errors1), .errors(let errors2)):
|
||||
return .differentErrors(BodyComparison.compare(errors: errors1.0,
|
||||
errors1.meta,
|
||||
errors1.links,
|
||||
with: errors2.0,
|
||||
errors2.meta,
|
||||
errors2.links))
|
||||
case (.errors, .data):
|
||||
return .dataErrorMismatch(errorOnLeft: true)
|
||||
case (.data, .errors):
|
||||
return .dataErrorMismatch(errorOnLeft: false)
|
||||
case (.data(let data1), .data(let data2)):
|
||||
return .differentData(data1.compare(to: data2))
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,167 @@
|
||||
//
|
||||
// DocumentDataCompare.swift
|
||||
//
|
||||
//
|
||||
// Created by Mathew Polzin on 11/5/19.
|
||||
//
|
||||
|
||||
import JSONAPI
|
||||
|
||||
public struct DocumentDataComparison: Equatable, PropertyComparable {
|
||||
public let primary: PrimaryResourceBodyComparison
|
||||
public let includes: IncludesComparison
|
||||
public let meta: Comparison
|
||||
public let links: Comparison
|
||||
|
||||
init(primary: PrimaryResourceBodyComparison, includes: IncludesComparison, meta: Comparison, links: Comparison) {
|
||||
self.primary = primary
|
||||
self.includes = includes
|
||||
self.meta = meta
|
||||
self.links = links
|
||||
}
|
||||
|
||||
public var differences: NamedDifferences {
|
||||
return Dictionary(
|
||||
[
|
||||
!primary.isSame ? ("Primary Resource", primary.rawValue) : nil,
|
||||
!includes.isSame ? ("Includes", includes.rawValue) : nil,
|
||||
!meta.isSame ? ("Meta", meta.rawValue) : nil,
|
||||
!links.isSame ? ("Links", links.rawValue) : nil
|
||||
].compactMap { $0 },
|
||||
uniquingKeysWith: { $1 }
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
extension Document.Body.Data {
|
||||
public func compare<T>(to other: Self) -> DocumentDataComparison where T: ResourceObjectType, PrimaryResourceBody == SingleResourceBody<T> {
|
||||
return .init(
|
||||
primary: primary.compare(to: other.primary),
|
||||
includes: includes.compare(to: other.includes),
|
||||
meta: Comparison(meta, other.meta),
|
||||
links: Comparison(links, other.links)
|
||||
)
|
||||
}
|
||||
|
||||
public func compare<T>(to other: Self) -> DocumentDataComparison where T: ResourceObjectType, PrimaryResourceBody == SingleResourceBody<T?> {
|
||||
return .init(
|
||||
primary: primary.compare(to: other.primary),
|
||||
includes: includes.compare(to: other.includes),
|
||||
meta: Comparison(meta, other.meta),
|
||||
links: Comparison(links, other.links)
|
||||
)
|
||||
}
|
||||
|
||||
public func compare<T>(to other: Self) -> DocumentDataComparison where T: ResourceObjectType, PrimaryResourceBody == ManyResourceBody<T> {
|
||||
return .init(
|
||||
primary: primary.compare(to: other.primary),
|
||||
includes: includes.compare(to: other.includes),
|
||||
meta: Comparison(meta, other.meta),
|
||||
links: Comparison(links, other.links)
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
public enum PrimaryResourceBodyComparison: Equatable, CustomStringConvertible {
|
||||
case single(ResourceObjectComparison)
|
||||
case many(ManyResourceObjectComparison)
|
||||
case other(Comparison)
|
||||
|
||||
public var isSame: Bool {
|
||||
switch self {
|
||||
case .other(let comparison):
|
||||
return comparison == .same
|
||||
case .single(let comparison):
|
||||
return comparison.isSame
|
||||
case .many(let comparison):
|
||||
return comparison.isSame
|
||||
}
|
||||
}
|
||||
|
||||
public var description: String {
|
||||
switch self {
|
||||
case .other(let comparison):
|
||||
return comparison.rawValue
|
||||
case .single(let comparison):
|
||||
return comparison.rawValue
|
||||
case .many(let comparison):
|
||||
return comparison.rawValue
|
||||
}
|
||||
}
|
||||
|
||||
public var rawValue: String { return description }
|
||||
}
|
||||
|
||||
public struct ManyResourceObjectComparison: Equatable, PropertyComparable {
|
||||
public let comparisons: [ArrayElementComparison]
|
||||
|
||||
public init(_ comparisons: [ArrayElementComparison]) {
|
||||
self.comparisons = comparisons
|
||||
}
|
||||
|
||||
public var differences: NamedDifferences {
|
||||
return comparisons
|
||||
.enumerated()
|
||||
.filter { $0.element != .same }
|
||||
.reduce(into: [String: String]()) { hash, next in
|
||||
hash["resource \(next.offset + 1)"] = next.element.rawValue
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
extension SingleResourceBody where Entity: ResourceObjectType {
|
||||
public func compare(to other: Self) -> PrimaryResourceBodyComparison {
|
||||
return .single(.init(value, other.value))
|
||||
}
|
||||
}
|
||||
|
||||
public protocol _OptionalResourceObjectType {
|
||||
associatedtype Wrapped: ResourceObjectType
|
||||
|
||||
var maybeValue: Wrapped? { get }
|
||||
}
|
||||
|
||||
extension Optional: _OptionalResourceObjectType where Wrapped: ResourceObjectType {
|
||||
public var maybeValue: Wrapped? {
|
||||
switch self {
|
||||
case .none:
|
||||
return nil
|
||||
case .some(let value):
|
||||
return value
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
extension SingleResourceBody where Entity: _OptionalResourceObjectType {
|
||||
public func compare(to other: Self) -> PrimaryResourceBodyComparison {
|
||||
guard let one = value.maybeValue,
|
||||
let two = other.value.maybeValue else {
|
||||
return .other(Comparison(value, other.value))
|
||||
}
|
||||
return .single(.init(one, two))
|
||||
}
|
||||
}
|
||||
|
||||
extension ManyResourceBody where Entity: ResourceObjectType {
|
||||
public func compare(to other: Self) -> PrimaryResourceBodyComparison {
|
||||
return .many(.init(values.compare(to: other.values, using: { r1, r2 in
|
||||
let r1AsResource = r1 as? AbstractResourceObjectType
|
||||
|
||||
let maybeComparison = r1AsResource
|
||||
.flatMap { resource in
|
||||
try? ArrayElementComparison(
|
||||
resourceObjectComparison: resource.abstractCompare(to: r2)
|
||||
)
|
||||
}
|
||||
|
||||
guard let comparison = maybeComparison else {
|
||||
return .differentValues(
|
||||
String(describing: r1),
|
||||
String(describing: r2)
|
||||
)
|
||||
}
|
||||
|
||||
return comparison
|
||||
})))
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,66 @@
|
||||
//
|
||||
// IncludesCompare.swift
|
||||
//
|
||||
//
|
||||
// Created by Mathew Polzin on 11/4/19.
|
||||
//
|
||||
|
||||
import JSONAPI
|
||||
import Poly
|
||||
|
||||
public struct IncludesComparison: Equatable, PropertyComparable {
|
||||
public let comparisons: [ArrayElementComparison]
|
||||
|
||||
public init(_ comparisons: [ArrayElementComparison]) {
|
||||
self.comparisons = comparisons
|
||||
}
|
||||
|
||||
public var differences: NamedDifferences {
|
||||
return comparisons
|
||||
.enumerated()
|
||||
.filter { $0.element != .same }
|
||||
.reduce(into: [String: String]()) { hash, next in
|
||||
hash["include \(next.offset + 1)"] = next.element.rawValue
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
extension Includes {
|
||||
public func compare(to other: Self) -> IncludesComparison {
|
||||
|
||||
return IncludesComparison(
|
||||
values.compare(to: other.values) { thisInclude, otherInclude in
|
||||
guard thisInclude != otherInclude else {
|
||||
return .same
|
||||
}
|
||||
|
||||
let thisWrappedValue = thisInclude.value
|
||||
let otherWrappedValue = otherInclude.value
|
||||
guard type(of: thisWrappedValue) == type(of: otherWrappedValue) else {
|
||||
return .differentTypes(
|
||||
String(describing: type(of: thisWrappedValue)),
|
||||
String(describing: type(of: otherWrappedValue))
|
||||
)
|
||||
}
|
||||
|
||||
let thisAsAResource = thisWrappedValue as? AbstractResourceObjectType
|
||||
|
||||
let maybeComparison = thisAsAResource
|
||||
.flatMap { resource in
|
||||
try? ArrayElementComparison(
|
||||
resourceObjectComparison: resource.abstractCompare(to: otherWrappedValue)
|
||||
)
|
||||
}
|
||||
|
||||
guard let comparison = maybeComparison else {
|
||||
return .differentValues(
|
||||
String(describing: thisWrappedValue),
|
||||
String(describing: otherWrappedValue)
|
||||
)
|
||||
}
|
||||
|
||||
return comparison
|
||||
}
|
||||
)
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,105 @@
|
||||
//
|
||||
// File.swift
|
||||
//
|
||||
//
|
||||
// Created by Mathew Polzin on 11/3/19.
|
||||
//
|
||||
|
||||
import JSONAPI
|
||||
|
||||
extension Relationships {
|
||||
public func compare(to other: Self) -> [String: Comparison] {
|
||||
let mirror1 = Mirror(reflecting: self)
|
||||
let mirror2 = Mirror(reflecting: other)
|
||||
|
||||
var comparisons = [String: Comparison]()
|
||||
|
||||
for child in mirror1.children {
|
||||
guard let childLabel = child.label else { continue }
|
||||
|
||||
let childDescription = relationshipDescription(of: child.value)
|
||||
|
||||
guard let otherChild = mirror2.children.first(where: { $0.label == childLabel }) else {
|
||||
comparisons[childLabel] = .different(childDescription, "missing")
|
||||
continue
|
||||
}
|
||||
|
||||
if (relationshipsEqual(child.value, otherChild.value)) {
|
||||
comparisons[childLabel] = .same
|
||||
} else {
|
||||
let otherChildDescription = relationshipDescription(of: otherChild.value)
|
||||
|
||||
comparisons[childLabel] = .different(childDescription, otherChildDescription)
|
||||
}
|
||||
}
|
||||
|
||||
return comparisons
|
||||
}
|
||||
}
|
||||
|
||||
fileprivate func relationshipsEqual(_ one: Any, _ two: Any) -> Bool {
|
||||
guard let attr = one as? AbstractRelationship else {
|
||||
return false
|
||||
}
|
||||
|
||||
return attr.equals(two)
|
||||
}
|
||||
|
||||
fileprivate func relationshipDescription(of thing: Any) -> String {
|
||||
return (thing as? AbstractRelationship)?.abstractDescription ?? String(describing: thing)
|
||||
}
|
||||
|
||||
protocol AbstractRelationship {
|
||||
var abstractDescription: String { get }
|
||||
|
||||
func equals(_ other: Any) -> Bool
|
||||
}
|
||||
|
||||
extension ToOneRelationship: AbstractRelationship {
|
||||
var abstractDescription: String {
|
||||
if meta is NoMetadata && links is NoLinks {
|
||||
return String(describing: id)
|
||||
}
|
||||
|
||||
return String(describing:
|
||||
(
|
||||
String(describing: id),
|
||||
String(describing: meta),
|
||||
String(describing: links)
|
||||
)
|
||||
)
|
||||
}
|
||||
|
||||
func equals(_ other: Any) -> Bool {
|
||||
guard let attributeB = other as? Self else {
|
||||
return false
|
||||
}
|
||||
return abstractDescription == attributeB.abstractDescription
|
||||
}
|
||||
}
|
||||
|
||||
extension ToManyRelationship: AbstractRelationship {
|
||||
var abstractDescription: String {
|
||||
|
||||
let idsString = ids.map { String.init(describing: $0.rawValue) }.joined(separator: ", ")
|
||||
|
||||
if meta is NoMetadata && links is NoLinks {
|
||||
return idsString
|
||||
}
|
||||
|
||||
return String(describing:
|
||||
(
|
||||
idsString,
|
||||
String(describing: meta),
|
||||
String(describing: links)
|
||||
)
|
||||
)
|
||||
}
|
||||
|
||||
func equals(_ other: Any) -> Bool {
|
||||
guard let attributeB = other as? Self else {
|
||||
return false
|
||||
}
|
||||
return abstractDescription == attributeB.abstractDescription
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,71 @@
|
||||
//
|
||||
// ResourceObjectCompare.swift
|
||||
//
|
||||
//
|
||||
// Created by Mathew Polzin on 11/3/19.
|
||||
//
|
||||
|
||||
import JSONAPI
|
||||
|
||||
public struct ResourceObjectComparison: Equatable, PropertyComparable {
|
||||
public typealias ComparisonHash = [String: Comparison]
|
||||
|
||||
public let id: Comparison
|
||||
public let attributes: ComparisonHash
|
||||
public let relationships: ComparisonHash
|
||||
public let meta: Comparison
|
||||
public let links: Comparison
|
||||
|
||||
public init<T: ResourceObjectType>(_ one: T, _ two: T) {
|
||||
id = Comparison(one.id.rawValue, two.id.rawValue)
|
||||
attributes = one.attributes.compare(to: two.attributes)
|
||||
relationships = one.relationships.compare(to: two.relationships)
|
||||
meta = Comparison(one.meta, two.meta)
|
||||
links = Comparison(one.links, two.links)
|
||||
}
|
||||
|
||||
public var differences: NamedDifferences {
|
||||
return attributes.reduce(into: ComparisonHash()) { hash, next in
|
||||
hash["'\(next.key)' attribute"] = next.value
|
||||
}
|
||||
.merging(
|
||||
relationships.reduce(into: ComparisonHash()) { hash, next in
|
||||
hash["'\(next.key)' relationship"] = next.value
|
||||
},
|
||||
uniquingKeysWith: { $1 }
|
||||
)
|
||||
.merging(
|
||||
[
|
||||
"id": id,
|
||||
"meta": meta,
|
||||
"links": links
|
||||
],
|
||||
uniquingKeysWith: { $1 }
|
||||
)
|
||||
.filter { $1 != .same }
|
||||
.mapValues { $0.rawValue }
|
||||
}
|
||||
}
|
||||
|
||||
extension ResourceObjectType {
|
||||
public func compare(to other: Self) -> ResourceObjectComparison {
|
||||
return ResourceObjectComparison(self, other)
|
||||
}
|
||||
}
|
||||
|
||||
protocol AbstractResourceObjectType {
|
||||
func abstractCompare(to other: Any) throws -> ResourceObjectComparison
|
||||
}
|
||||
|
||||
enum AbstractCompareError: Swift.Error {
|
||||
case typeMismatch
|
||||
}
|
||||
|
||||
extension ResourceObject: AbstractResourceObjectType {
|
||||
func abstractCompare(to other: Any) throws -> ResourceObjectComparison {
|
||||
guard let otherResource = other as? Self else {
|
||||
throw AbstractCompareError.typeMismatch
|
||||
}
|
||||
return self.compare(to: otherResource)
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,12 @@
|
||||
//
|
||||
// Optional+ZipWith.swift
|
||||
//
|
||||
// Created by Mathew Polzin on 1/19/19.
|
||||
//
|
||||
|
||||
/// Zip two optionals together with the given operation performed on
|
||||
/// the unwrapped contents. If either optional is nil, the zip
|
||||
/// yields nil.
|
||||
func zip<X, Y, Z>(_ left: X?, _ right: Y?, with fn: (X, Y) -> Z) -> Z? {
|
||||
return left.flatMap { lft in right.map { rght in fn(lft, rght) }}
|
||||
}
|
||||
Reference in New Issue
Block a user