From d3a0cc3a8ba6dfeb64d3faeffdeb6845b60e5840 Mon Sep 17 00:00:00 2001
From: Yuchen Pei <me@ypei.me>
Date: Sat, 20 Jan 2018 15:41:49 +0100
Subject: rearranged the dir for github

- removed tools and pdfs
- rearranged the projects dirs
- added md files
- other minor changes
---
 jackos/Array.jack | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 jackos/Array.jack

(limited to 'jackos/Array.jack')

diff --git a/jackos/Array.jack b/jackos/Array.jack
new file mode 100644
index 0000000..343c25c
--- /dev/null
+++ b/jackos/Array.jack
@@ -0,0 +1,26 @@
+// This file is part of www.nand2tetris.org
+// and the book "The Elements of Computing Systems"
+// by Nisan and Schocken, MIT Press.
+// File name: projects/12/Array.jack
+
+/**
+ * Represents an array.
+ * In the Jack language, arrays are instances of the Array class.
+ * Once declared, the array entries can be accessed using the usual
+ * syntax arr[i]. Each array entry can hold a primitive data type as 
+ * well as any object type. Different array entries can have different 
+ * data types.
+ */
+class Array {
+
+    /** Constructs a new Array of the given size. */
+    function Array new(int size) {
+        return Memory.alloc(size);
+    }
+
+    /** Disposes this array. */
+    method void dispose() {
+        do Memory.deAlloc(this);
+        return;
+    }
+}
-- 
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