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-rw-r--r--src/DotNetOpenAuth.Core/Util.cs3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/DotNetOpenAuth.Core/Util.cs b/src/DotNetOpenAuth.Core/Util.cs
index 3babba5..a017ea3 100644
--- a/src/DotNetOpenAuth.Core/Util.cs
+++ b/src/DotNetOpenAuth.Core/Util.cs
@@ -103,8 +103,7 @@ namespace DotNetOpenAuth {
return new DelayedToString<IEnumerable<KeyValuePair<K, V>>>(
pairs,
p => {
- ////Contract.Requires(pairs != null); // CC: anonymous method can't handle it
- ErrorUtilities.VerifyArgumentNotNull(pairs, "pairs");
+ Requires.NotNull(pairs, "pairs");
var dictionary = pairs as IDictionary<K, V>;
var messageDictionary = pairs as MessageDictionary;
StringBuilder sb = new StringBuilder(dictionary != null ? dictionary.Count * 40 : 200);