From 1f2e393df6e2421f76455cf1bd5e91cba2fc6a4b Mon Sep 17 00:00:00 2001
From: Peter Boin <nymphii@gmail.com>
Date: Mon, 14 Aug 2017 16:33:54 +1000
Subject: [PATCH] block length method

---
 src/pygcode/block.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/pygcode/block.py b/src/pygcode/block.py
index bb8b716..d664176 100644
--- a/src/pygcode/block.py
+++ b/src/pygcode/block.py
@@ -76,6 +76,16 @@ class Block(object):
                 key=k
             ))
 
+    def __len__(self):
+        """
+        Block length = number of identified gcodes (+ 1 if any modal parameters are defined)
+        :return: block length
+        """
+        length = len(self.gcodes)
+        if self.modal_params:
+            length += 1
+        return length
+
     def __bool__(self):
         return bool(self.words)