From 8c8646773024ea740c4c9f090619ddaf61bc16f0 Mon Sep 17 00:00:00 2001
From: Aman Gupta <aman@tmm1.net>
Date: Wed, 30 Sep 2015 12:29:32 -0700
Subject: document new bitsize pragma

---
 doc/manual/pragmas.txt | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'doc/manual')

diff --git a/doc/manual/pragmas.txt b/doc/manual/pragmas.txt
index 68a88f865..f89194c9a 100644
--- a/doc/manual/pragmas.txt
+++ b/doc/manual/pragmas.txt
@@ -531,6 +531,24 @@ Implementation Specific Pragmas
 This section describes additional pragmas that the current Nim implementation
 supports but which should not be seen as part of the language specification.
 
+Bitsize pragma
+--------------
+
+The ``bitsize`` pragma is for object field members. It declares the field as
+a bitfield in C/C++.
+
+.. code-block:: Nim
+  type
+    mybitfield = object
+      flag {.bitsize:1.}: cuint
+
+generates:
+
+.. code-block:: C
+  struct mybitfield {
+    unsigned int flag:1;
+  };
+
 
 Volatile pragma
 ---------------
-- 
cgit 1.4.1-2-gfad0