小编Ryn*_*eow的帖子

不确定是什么问题..发现91个符号为armv7重复

我是一个针对iOS 7.1的Swift项目.

这两个框架都是最新版本.

尝试清理项目并删除派生数据.但无济于事.

duplicate symbol _OBJC_IVAR_$_BFAppLinkTarget._URL in:
    /Users/rynecheow/Development/THPopQuiz/Frameworks/FacebookSDK.framework/FacebookSDK(BFAppLinkTarget.o)
    /Users/rynecheow/Development/THPopQuiz/Frameworks/Bolts.framework/Bolts(BFAppLinkTarget.o)
duplicate symbol _OBJC_IVAR_$_BFAppLinkTarget._appStoreId in:
    /Users/rynecheow/Development/THPopQuiz/Frameworks/FacebookSDK.framework/FacebookSDK(BFAppLinkTarget.o)
    /Users/rynecheow/Development/THPopQuiz/Frameworks/Bolts.framework/Bolts(BFAppLinkTarget.o)
duplicate symbol _OBJC_IVAR_$_BFAppLinkTarget._appName in:
    /Users/rynecheow/Development/THPopQuiz/Frameworks/FacebookSDK.framework/FacebookSDK(BFAppLinkTarget.o)
    /Users/rynecheow/Development/THPopQuiz/Frameworks/Bolts.framework/Bolts(BFAppLinkTarget.o)

/**
 * Converts data URI in 'image/png' format to an image data object
 * @param dataURL Base64 encoded string
 * @returns {ImageData/undefined}
 */
convertDataURLToImageData: function (dataURL) {
    if (dataURL !== undefined && dataURL !== null) {
        var canvas, context, image, imageData;
        canvas = document.createElement('canvas');
        canvas.width = 470;
        canvas.height = 470;
        context = canvas.getContext('2d');
        image = new Image();

        image.addEventListener('load', function(){
            context.drawImage(image, 0, 0, canvas.width, canvas.height);
            imageData = context.getImageData(0, 0, canvas.width, canvas.height);
            //how do i return this?
        }, false);
        image.src = dataURL; …

我想输入一个String键的字典和实现Equatable协议的对象/结构的值.所以我写了这行代码,但它给了我错误,我不知道如何继续修复.

typealias Storage = [String: Equatable]

我想使用类型[String:Equatable]作为协议中的变量,例如:

protocol StorageModel {
    var storage: Storage { get set }
    init(storage: Storage)
}

错误:

协议'Equatable'只能用作通用约束,因为它具有Self或相关类型要求

谁有人建议解决方案？

我定义了两种类型，如下：我想定义一个函数“matches”，它比较两个 KeyTypePairs 并根据键和类型的匹配返回 true 或 false。

protocol KeyTypePair: Hashable {
    typealias val

    var key: String { get }
    var type: Any.Type { get }
}

public struct KeyTypePairOf<T>: KeyTypePair {
    typealias val = T

    let _key: String
    let _type: Any.Type

    public var key: String {
        get {
            return _key
        }
    }

    public var type: Any.Type {
        get {
            return _type
        }
    }

    public var hashValue: Int {
        get {
            return _key.hashValue
        }
    }

    public init(key: String) {
        self._key = key …