From bc448b70cb83cce046e65fb4f69a28a84a53ff49 Mon Sep 17 00:00:00 2001
From: Kyle Gunger <kgunger12@gmail.com>
Date: Sat, 7 Aug 2021 08:04:33 -0400
Subject: Begin filling out spec + Add initial spec markdowns + Update
 copyright for libtnsl

---
 libtnsl/src/box/iterator.tnsl | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 libtnsl/src/box/iterator.tnsl

(limited to 'libtnsl/src/box/iterator.tnsl')

diff --git a/libtnsl/src/box/iterator.tnsl b/libtnsl/src/box/iterator.tnsl
new file mode 100644
index 0000000..9fb3d6d
--- /dev/null
+++ b/libtnsl/src/box/iterator.tnsl
@@ -0,0 +1,40 @@
+/##
+	Copyright 2021 Kyle Gunger
+    
+    Dual licenced under the CDDL 1.0 and BSD 3-Clause licences.
+    
+    This file may only be used in accordance with one of the two
+    licences.  You should have recieved a copy of each licence with
+    the source code.  In the event that you did not recieve a copy
+    of the licences, they may be found at the following URLs:
+    
+    CDDL 1.0:
+    https://opensource.org/licenses/CDDL-1.0
+    
+    BSD 3-Clause:
+    https://opensource.org/licenses/BSD-3-Clause
+    
+    THIS SOFTWARE/SOURCE CODE IS PROVIDED "AS IS" WITH NO
+    WARRENTY, GUARANTEE, OR CLAIM OF FITNESS FOR ANY PURPOSE
+    EXPRESS OR IMPLIED
+#/
+
+# Interface for moving through a list
+/; interface ForwardsIterator (type T)
+
+	# Advance to the next element in the list
+	/; next [bool]
+	;/
+
+	# Get the current element in the list
+	/; current [T]
+	;/
+;/
+
+# Interface for moving through a list forwards or backwards
+/; interface TwoWayIterator (type T) extends ForwardsIterator(T)
+
+	# Move to the previous element in the list
+	/; prev [bool]
+	;/
+;/
\ No newline at end of file
-- 
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