From e85f6f1dd1b9cdd9921629282129d651a6d64758 Mon Sep 17 00:00:00 2001
From: fan <fanyuexiang@peipan.com.cn>
Date: Tue, 23 Apr 2019 17:42:06 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0SDAutoLayout=E7=9A=84Swift?=
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---
 .../SDAutolayout+extension.swift              | 33 +++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

diff --git a/SDAutoLayoutDemo/SwiftExtension/SDAutolayout+extension.swift b/SDAutoLayoutDemo/SwiftExtension/SDAutolayout+extension.swift
index 4fb5eaf..03e2e14 100644
--- a/SDAutoLayoutDemo/SwiftExtension/SDAutolayout+extension.swift
+++ b/SDAutoLayoutDemo/SwiftExtension/SDAutolayout+extension.swift
@@ -9,10 +9,39 @@
 // 若使用cocoapods管理第三方，则打开 import SDAutoLayout 注释
 // import SDAutoLayout
 
-extension UIView {
+/* Example
+ * 示例:
+     yourView.sd.layout().topTo(view, 10)
+                         .leftTo(view, 10)
+                         .width(is: 100)
+                         .height(is: 100)
+ */
+
+
+public final class SDAutoLayout<Base> {
+    public let base: Base
+    public init(_ base: Base) {
+        self.base = base
+    }
+}
+
+public protocol SDAutoLayoutCompatible {
+    associatedtype CompatibleType
+    var sd: CompatibleType { get }
+}
+
+public extension SDAutoLayoutCompatible {
+    var sd: SDAutoLayout<Self> {
+        get { return SDAutoLayout(self) }
+    }
+}
+
+extension UIView: SDAutoLayoutCompatible { }
+
+extension SDAutoLayout where Base: UIView {
     @discardableResult
     public func layout() -> SDAutoLayoutModel {
-        return sd_layout()
+        return base.sd_layout();
     }
 }