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-rw-r--r--src/DotNetOpenAuth.Messaging/Messaging/Reflection/ValueMapping.cs6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/DotNetOpenAuth.Messaging/Messaging/Reflection/ValueMapping.cs b/src/DotNetOpenAuth.Messaging/Messaging/Reflection/ValueMapping.cs
index b0b8b47..9c0fa83 100644
--- a/src/DotNetOpenAuth.Messaging/Messaging/Reflection/ValueMapping.cs
+++ b/src/DotNetOpenAuth.Messaging/Messaging/Reflection/ValueMapping.cs
@@ -36,8 +36,8 @@ namespace DotNetOpenAuth.Messaging.Reflection {
/// <param name="toOriginalString">The mapping function that converts some custom value to its original (non-normalized) string. May be null if the same as the <paramref name="toString"/> function.</param>
/// <param name="toValue">The mapping function that converts a string to some custom value.</param>
internal ValueMapping(Func<object, string> toString, Func<object, string> toOriginalString, Func<string, object> toValue) {
- Contract.Requires<ArgumentNullException>(toString != null);
- Contract.Requires<ArgumentNullException>(toValue != null);
+ Requires.NotNull(toString, "toString");
+ Requires.NotNull(toValue, "toValue");
this.ValueToString = toString;
this.ValueToOriginalString = toOriginalString ?? toString;
@@ -49,7 +49,7 @@ namespace DotNetOpenAuth.Messaging.Reflection {
/// </summary>
/// <param name="encoder">The encoder.</param>
internal ValueMapping(IMessagePartEncoder encoder) {
- Contract.Requires<ArgumentNullException>(encoder != null);
+ Requires.NotNull(encoder, "encoder");
var nullEncoder = encoder as IMessagePartNullEncoder;
string nullString = nullEncoder != null ? nullEncoder.EncodedNullValue : null;