From df4d642fde676cd3602ca53ba788c0f1d188fe5d Mon Sep 17 00:00:00 2001
From: Yann Herklotz <git@yannherklotz.com>
Date: Sat, 25 Apr 2020 13:29:19 +0100
Subject: Add distance function

---
 src/Verismith/Verilog/Distance.hs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 src/Verismith/Verilog/Distance.hs

diff --git a/src/Verismith/Verilog/Distance.hs b/src/Verismith/Verilog/Distance.hs
new file mode 100644
index 0000000..caa70c5
--- /dev/null
+++ b/src/Verismith/Verilog/Distance.hs
@@ -0,0 +1,14 @@
+{-|
+Module      : Verismith.Verilog.Distance
+Description : Definition of the distance function for the abstract syntax tree.
+Copyright   : (c) 2020, Yann Herklotz
+License     : GPL-3
+Maintainer  : yann [at] yannherklotz [dot] com
+Stability   : experimental
+Poratbility : POSIX
+
+Define the distance function for the abstract syntax tree, so that different
+Verilog files can be compared.  This allows us to define a metric on how
+different two pieces of Verilog are.  Currently, differences in expressions are
+ignored, as these are not that interesting.
+-}
-- 
cgit