From 5ec842d225872c9ca7dc26b94e20ebca6790f341 Mon Sep 17 00:00:00 2001
From: tsk takezawa <tsk.take815@gmail.com>
Date: Sun, 21 Jun 2015 15:04:29 +0900
Subject: [PATCH] Support operator of push an element to the array #114

---
 ExSwift/Array.swift                     | 7 +++++++
 ExSwiftTests/ArrayExtensionsTests.swift | 7 +++++++
 README.md                               | 1 +
 3 files changed, 15 insertions(+)

diff --git a/ExSwift/Array.swift b/ExSwift/Array.swift
index 80287d5..cc32468 100644
--- a/ExSwift/Array.swift
+++ b/ExSwift/Array.swift
@@ -1361,6 +1361,13 @@ internal extension Array {
 
 }
 
+/**
+    Push an element to the array
+*/
+public func += <T: Equatable> (inout first: [T], second: T) {
+    first.append(second)
+}
+
 /**
     Remove an element from the array
 */
diff --git a/ExSwiftTests/ArrayExtensionsTests.swift b/ExSwiftTests/ArrayExtensionsTests.swift
index 8a50b22..1b30ddd 100644
--- a/ExSwiftTests/ArrayExtensionsTests.swift
+++ b/ExSwiftTests/ArrayExtensionsTests.swift
@@ -516,6 +516,13 @@ class ArrayExtensionsSpec: QuickSpec {
                 
             }
             
+            it("operator") {
+                
+                self.intArray += 20
+                
+                expect(self.intArray.last) == 20
+            }
+            
         }
         
         /**
diff --git a/README.md b/README.md
index c5d5604..1a33f73 100644
--- a/README.md
+++ b/README.md
@@ -136,6 +136,7 @@ Name | Signatures
 #### Operators ####
 Name | Signature | Function
 ---- | --------- | --------
+`+=`|`+= <T: Equatable> (first: T, second: Array<T>)`|Push
 `-`|`- <T: Equatable> (first: Array<T>, second: Array<T>) -> Array<T>`|Difference
 `-`|`- <T: Equatable> (first: Array<T>, second: T) -> Array<T>`|Element removal
 `&`|`& <T: Equatable> (first: Array<T>, second: Array<T>) -> Array<T>`|Intersection