From 707c8db171cb5239682332f14fd2098901741c63 Mon Sep 17 00:00:00 2001
From: Valentine Silvansky <v.silvansky@gmail.com>
Date: Thu, 8 Oct 2015 10:00:13 +0300
Subject: Add generics operator in Swift

---
 swift.html.markdown | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'swift.html.markdown')

diff --git a/swift.html.markdown b/swift.html.markdown
index a40e86c8..75535e43 100644
--- a/swift.html.markdown
+++ b/swift.html.markdown
@@ -574,4 +574,18 @@ print(mySquare.sideLength) // 4
 // change side length using custom !!! operator, increases size by 3
 !!!mySquare
 print(mySquare.sideLength) // 12
+
+// Operators can also be generics
+infix operator <-> {}
+func <-><T: Equatable> (inout a: T, inout b: T) {
+    let c = a
+    a = b
+    b = c
+}
+
+var foo: Float = 10
+var bar: Float = 20
+
+foo <-> bar
+print("foo is \(foo), bar is \(bar)") // "foo is 20.0, bar is 10.0"
 ```
-- 
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