[Modify] Polish it

This commit is contained in:
sta 2020-08-18 21:19:38 +09:00
parent 063aae69b3
commit c8de370195

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@ -190,10 +190,11 @@ namespace WebSocketSharp.Net
/// </exception> /// </exception>
public bool Contains (string uriPrefix) public bool Contains (string uriPrefix)
{ {
_listener.CheckDisposed ();
if (uriPrefix == null) if (uriPrefix == null)
throw new ArgumentNullException ("uriPrefix"); throw new ArgumentNullException ("uriPrefix");
_listener.CheckDisposed ();
return _prefixes.Contains (uriPrefix); return _prefixes.Contains (uriPrefix);
} }