From dcf4b83306d0ebf50a43aedba4f2be1c169a7152 Mon Sep 17 00:00:00 2001
From: Brad Pitcher <bradpitcher@gmail.com>
Date: Sat, 12 Nov 2011 22:58:15 -0800
Subject: string indexing


diff --git a/src/expr.cc b/src/expr.cc
index fc1fbf0..7e1a25b 100644
--- a/src/expr.cc
+++ b/src/expr.cc
@@ -85,6 +85,11 @@ Value Expression::evaluate(const Context *context) const
 			if (i >= 0 && i < int(v1.vec.size()))
 				return *v1.vec[i];
 		}
+		if (v1.type == Value::STRING && v2.type == Value::NUMBER) {
+			int i = (int)(v2.num);
+			if (i >= 0 && i < v1.text.size())
+				return Value(v1.text.substr(i, 1));
+		}
 		return Value();
 	}
 	if (this->type == "I")
-- 
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