fix warnings

Author: KSemenenko

ManagedCode.Communication/Error.cs

@@ -10,11 +10,11 @@ public Error(string message, TErrorCode? errorCode = default)
         ErrorCode = errorCode;
     }
 
-    public Error(Exception exception, TErrorCode? errorCode = default)
+    public Error(Exception? exception, TErrorCode? errorCode = default)
     {
         Exception = exception;
         ErrorCode = errorCode;
-        Message = exception.Message ?? string.Empty;
+        Message = exception?.Message ?? string.Empty;
     }
 
     public Error(Exception exception, string message, TErrorCode? errorCode = default)
@@ -28,7 +28,7 @@ public Error(Exception exception, string message, TErrorCode? errorCode = defaul
     public Exception? Exception { get; set; }
     public TErrorCode? ErrorCode { get; set; }
 
-    public static Error<TErrorCode> FromException(Exception exception, TErrorCode? errorCode = default)
+    public static Error<TErrorCode> FromException(Exception? exception, TErrorCode? errorCode = default)
     {
         return new Error<TErrorCode>(exception, errorCode);
     }

ManagedCode.Communication/Extensions/LoggerExtensions.cs

@@ -5,8 +5,8 @@ namespace ManagedCode.Communication.Extensions;
 
 internal static class LoggerExtensions
 {
-    internal static void LogException(this ILogger logger, Exception exception)
+    internal static void LogException(this ILogger logger, Exception? exception)
     {
-        logger.LogError(exception, exception.Message);
+        logger.LogError(exception, exception?.Message);
     }
 }

ManagedCode.Communication/ManagedCode.Communication.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>net6.0;net7.0;netstandard2.0</TargetFrameworks>
+        <TargetFrameworks>net6.0;netstandard2.0</TargetFrameworks>
         <Nullable>enable</Nullable>
         <LangVersion>10</LangVersion>
         <IsPackable>true</IsPackable>

ManagedCode.Communication/Result/Result.cs

@@ -27,7 +27,7 @@ public static implicit operator Result(List<Error<ErrorCode>> errors)
         return new Result(errors);
     }
 
-    public static implicit operator Result(Exception exception)
+    public static implicit operator Result(Exception? exception)
     {
         return new Result(Error<ErrorCode>.FromException(exception));
     }
@@ -52,7 +52,7 @@ public static Result Fail(List<Error<ErrorCode>> errors)
         return new Result(errors);
     }
 
-    public static Result Fail(Exception exception)
+    public static Result Fail(Exception? exception)
     {
         return new Result(Error<ErrorCode>.FromException(exception));
     }
@@ -91,7 +91,7 @@ public static implicit operator Result<T>(List<Error<ErrorCode>> errors)
         return new Result<T>(errors);
     }
 
-    public static implicit operator Result<T>(Exception exception)
+    public static implicit operator Result<T>(Exception? exception)
     {
         return new Result<T>(Error<ErrorCode>.FromException(exception));
     }
@@ -116,7 +116,7 @@ public static Result<T> Fail(List<Error<ErrorCode>> errors)
         return new Result<T>(errors);
     }
 
-    public static Result<T> Fail(Exception exception)
+    public static Result<T> Fail(Exception? exception)
     {
         return new Result<T>(Error<ErrorCode>.FromException(exception));
     }

ManagedCode.Communication/ResultErrorHandler.cs

@@ -31,7 +31,7 @@ public async Task<Result> ExecuteAsync(Func<Task<Result>> func,
 
             return result;
         }
-        catch (Exception e)
+        catch (Exception? e)
         {
             _logger?.LogException(e);
 
@@ -55,7 +55,7 @@ public async Task<Result<TValue>> ExecuteAsync<TValue>(Func<Task<Result<TValue>>
 
             return result;
         }
-        catch (Exception e)
+        catch (Exception? e)
         {
             _logger?.LogException(e);
 
@@ -80,7 +80,7 @@ public async Task<TResult> ExecuteAsync<TResult, TErrorCode>(Func<Task<TResult>>
 
             return result;
         }
-        catch (Exception e)
+        catch (Exception? e)
         {
             _logger?.LogException(e);