From b903553aaf04b2636290704021b00d9c546a62b3 Mon Sep 17 00:00:00 2001
From: Sam O'Connor <sam@octech.com.au>
Date: Thu, 19 Jul 2018 12:01:34 +1000
Subject: [PATCH] DataStructures 0.10.0 is not available yet

---
 REQUIRE        | 2 +-
 src/XMLDict.jl | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/REQUIRE b/REQUIRE
index c9b89b3..fe94d8f 100644
--- a/REQUIRE
+++ b/REQUIRE
@@ -1,5 +1,5 @@
 julia 0.7-DEV.1393
 Compat 0.60.0
 EzXML
-DataStructures 0.10.0
+DataStructures
 IterTools
diff --git a/src/XMLDict.jl b/src/XMLDict.jl
index 9cc7cb8..ef383af 100644
--- a/src/XMLDict.jl
+++ b/src/XMLDict.jl
@@ -252,8 +252,11 @@ function dict_xml(root::AbstractDict)
     string("<?xml", attr_xml(root), "?>\n", node_xml(root))
 end
 
-attrs(node::AbstractDict) = filter(pair->isa(first(pair), Symbol), node)
-nodes(node::AbstractDict) = filter(pair->!isa(first(pair), Symbol), node)
+# FIXME: We can go back to using filter instead of filter! once
+# https://github.com/JuliaCollections/DataStructures.jl/issues/400 is fixed.
+# Calling filter! with copy is equivalent but inefficient.
+attrs(node::AbstractDict) = filter!(pair->isa(first(pair), Symbol), copy(node))
+nodes(node::AbstractDict) = filter!(pair->!isa(first(pair), Symbol), copy(n
 
 function attr_xml(node::AbstractDict)
     join([" $n=\"$v\"" for (n,v) in attrs(node)])