1 files changed, 12 insertions, 0 deletions
diff --git a/asciifarmclient/utils.py b/asciifarmclient/utils.py
new file mode 100644
index 0000000..471dd89
--- /dev/null
+++ b/asciifarmclient/utils.py
@@ -0,0 +1,12 @@
+
+import os
+
+def clamp(val, lower, upper):
+    """ val if it's between lower and upper, else the closest of the two"""
+    return max(min(val, upper), lower)
+
+def get(collection, i, default=None):
+    """ Get an element in an indexed collection, or the default in case the index is out of bounds """
+    if i < 0 or i >= len(collection):
+        return default
+    return collection[i]