From b19e31714dd6923ae98b49cf46a6a6efe06f0468 Mon Sep 17 00:00:00 2001
From: Mike J Innes <mike.j.innes@gmail.com>
Date: Mon, 1 May 2017 14:00:39 +0100
Subject: [PATCH] allow access to loop vars

---
 src/training.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/training.jl b/src/training.jl
index 1ebc8e88..a17ed9bd 100644
--- a/src/training.jl
+++ b/src/training.jl
@@ -10,11 +10,11 @@ macro cb(ex, t, f)
   :(let
     t0 = time_ns()
     dt = $t*1e9
-    f = () -> $f
     @progress $(Expr(:for, cond, quote
       t = time_ns()
       if t - t0 > dt
         t0 = t
+        f = () -> $f
         f()
       end
       $body