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Code analyzers for CSharpFunctionalExtensions
When you use the ternary operator like string resultMessage = result.IsSuccess ? $"{result.Value} success." : "Failed.";
you get warning CFE0001 "Accessing Value without checking IsSuccess or IsFailure can result in an unexpected Errors". This is incorrect because the ternary operator is checking the value. Converting the ternary operator into a if else statement removes the warning.
var result = X();
if(result.IsFailure) return Error.NotFound;
if(a> 0)
{
return result.Value // <-- still says this is unsafe access
}
Checks on isSuccess with pattern matching are not recognized as correct check for isSuccess
return result switch
{
{ IsSuccess: true } => Ok(result.Value),
{ Error: var err } when err == Foo.Error.NotFound
=> NotFound(),
_ => InternalServerError(result.Error.UserFriendlyName)
};
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