From 8bf5d916057c7c9df609406565a2ac24b4614cf8 Mon Sep 17 00:00:00 2001
From: Mike J Innes <mike.j.innes@gmail.com>
Date: Sat, 28 Jan 2017 23:36:58 +0530
Subject: [PATCH] symbolname utility

---
 src/backend/mxnet/graph.jl | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/backend/mxnet/graph.jl b/src/backend/mxnet/graph.jl
index 6a7db27b..0e6b9aa4 100644
--- a/src/backend/mxnet/graph.jl
+++ b/src/backend/mxnet/graph.jl
@@ -1,3 +1,11 @@
+function symbolname(s::mx.SymbolicNode)
+  name = Ref{mx.char_p}(0)
+  success = Ref(0)
+  mx.@mxcall(:MXSymbolGetName, (mx.MX_handle, Ref{mx.char_p}, Ref{Int}), s.handle.value, name, success)
+  @assert success[] != -1
+  return Symbol(unsafe_wrap(String, name[]))
+end
+
 using Base: @get!
 using DataFlow: Constant, constant, Context, interpret, Split,
   interpv, ituple, ilambda, iconst, iline, stack, mux