From 57f5b8cea4961cb9a82e04378755ef88a08b9810 Mon Sep 17 00:00:00 2001
From: Joshua Harlow <harlowja@yahoo-inc.com>
Date: Fri, 4 Oct 2013 18:22:21 -0700
Subject: [PATCH] Allow access by index

Since a linear flow is a linear set of tasks or subflows
we can easily add in an accessor that can fetch these
items by index which is useful for indexing for any
post-add operations.

Change-Id: Ib1690584a08e24fae29285225e6c519b06ce2ddd
---
 taskflow/patterns/linear_flow.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/taskflow/patterns/linear_flow.py b/taskflow/patterns/linear_flow.py
index 03f4380c..c8ebe636 100644
--- a/taskflow/patterns/linear_flow.py
+++ b/taskflow/patterns/linear_flow.py
@@ -60,6 +60,9 @@ class Flow(flow.Flow):
         for child in self._children:
             yield child
 
+    def __getitem__(self, index):
+        return self._children[index]
+
     @property
     def provides(self):
         provides = set()