Added CallResult without type parameter for calls which don't return anything

CryptoExchange.Net/Objects/CallResult.cs

@@ -7,13 +7,8 @@ namespace CryptoExchange.Net.Objects
     /// <summary>
     /// The result of an operation
     /// </summary>
-    /// <typeparam name="T"></typeparam>
-    public class CallResult<T>
+    public class CallResult
     {
-        /// <summary>
-        /// The data returned by the call
-        /// </summary>
-        public T Data { get; internal set; }
         /// <summary>
         /// An error if the call didn't succeed
         /// </summary>
@@ -23,15 +18,54 @@ namespace CryptoExchange.Net.Objects
         /// </summary>
         public bool Success => Error == null;
 
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="error"></param>
+        public CallResult(Error? error)
+        {
+            Error = error;
+        }
+
+        /// <summary>
+        /// Overwrite bool check so we can use if(callResult) instead of if(callResult.Success)
+        /// </summary>
+        /// <param name="obj"></param>
+        public static implicit operator bool(CallResult obj)
+        {
+            return obj?.Success == true;
+        }
+        
+        /// <summary>
+        /// Create an error result
+        /// </summary>
+        /// <param name="error"></param>
+        /// <returns></returns>
+        public static WebCallResult CreateErrorResult(Error error)
+        {
+            return new WebCallResult(null, null, error);
+        }
+    }
+
+    /// <summary>
+    /// The result of an operation
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    public class CallResult<T>: CallResult
+    {
+        /// <summary>
+        /// The data returned by the call
+        /// </summary>
+        public T Data { get; internal set; }
+
         /// <summary>
         /// ctor
         /// </summary>
         /// <param name="data"></param>
         /// <param name="error"></param>
-        public CallResult([AllowNull]T data, Error? error)
+        public CallResult([AllowNull]T data, Error? error): base(error)
         {
             Data = data;
-            Error = error;
         }
 
         /// <summary>
@@ -66,6 +100,58 @@ namespace CryptoExchange.Net.Objects
                 return false;
             }
         }
+
+        /// <summary>
+        /// Create an error result
+        /// </summary>
+        /// <param name="error"></param>
+        /// <returns></returns>
+        public new static WebCallResult<T> CreateErrorResult(Error error)
+        {
+            return new WebCallResult<T>(null, null, default, error);
+        }
+    }
+
+    /// <summary>
+    /// The result of a request
+    /// </summary>
+    public class WebCallResult : CallResult
+    {
+        /// <summary>
+        /// The status code of the response. Note that a OK status does not always indicate success, check the Success parameter for this.
+        /// </summary>
+        public HttpStatusCode? ResponseStatusCode { get; set; }
+
+        /// <summary>
+        /// The response headers
+        /// </summary>
+        public IEnumerable<KeyValuePair<string, IEnumerable<string>>>? ResponseHeaders { get; set; }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="code"></param>
+        /// <param name="responseHeaders"></param>
+        /// <param name="error"></param>
+        public WebCallResult(
+            HttpStatusCode? code,
+            IEnumerable<KeyValuePair<string, IEnumerable<string>>>? responseHeaders, Error? error) : base(error)
+        {
+            ResponseHeaders = responseHeaders;
+            ResponseStatusCode = code;
+        }
+
+        /// <summary>
+        /// Create an error result
+        /// </summary>
+        /// <param name="code"></param>
+        /// <param name="responseHeaders"></param>
+        /// <param name="error"></param>
+        /// <returns></returns>
+        public static WebCallResult CreateErrorResult(HttpStatusCode? code, IEnumerable<KeyValuePair<string, IEnumerable<string>>>? responseHeaders, Error error)
+        {
+            return new WebCallResult(code, responseHeaders, error);
+        }
     }
 
     /// <summary>
@@ -83,7 +169,7 @@ namespace CryptoExchange.Net.Objects
         /// The response headers
         /// </summary>
         public IEnumerable<KeyValuePair<string, IEnumerable<string>>>? ResponseHeaders { get; set; }
-
+        
         /// <summary>
         /// ctor
         /// </summary>
@@ -95,18 +181,8 @@ namespace CryptoExchange.Net.Objects
             HttpStatusCode? code, 
             IEnumerable<KeyValuePair<string, IEnumerable<string>>>? responseHeaders, [AllowNull] T data, Error? error): base(data, error)
         {
-            ResponseHeaders = responseHeaders;
             ResponseStatusCode = code;
-        }
-
-        /// <summary>
-        /// Create an error result
-        /// </summary>
-        /// <param name="error"></param>
-        /// <returns></returns>
-        public static WebCallResult<T> CreateErrorResult(Error error)
-        {
-            return new WebCallResult<T>(null, null, default!, error);
+            ResponseHeaders = responseHeaders;
         }
 
         /// <summary>
@@ -118,7 +194,7 @@ namespace CryptoExchange.Net.Objects
         /// <returns></returns>
         public static WebCallResult<T> CreateErrorResult(HttpStatusCode? code, IEnumerable<KeyValuePair<string, IEnumerable<string>>>? responseHeaders, Error error)
         {
-            return new WebCallResult<T>(code, responseHeaders, default!, error);
+            return new WebCallResult<T>(code, responseHeaders, default, error);
         }
     }
 }