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Questions - either

Problem with Either and errors types incompatibility

I have a problem with Either errors types incompatibility. A method to create Account entity: static Either<AccountError,Account> create( String userNameCandidate, UserNameUniquenessValidator us...
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Sampeteq

java

functional-programming

either

vavr

Votes: 0

Answers: 2

Latest Answer

The issue is that Either<WrongUserNameFormat, ...> does not extend Either<AccountError, ...> even though WrongUserNameFormat may extend AccountError. This is because Java does not have goo...
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DBear

Match on Either&lt;,&gt; Needs to Return Type Over ValueTuple from Async Lambda

I have a validation step that checks the Kafka message is properly formed for the expected event. This Validation function returns an Either<Left, Right> (Left error message, Right is the messa...
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langc334

c#

async-await

functional-programming

either

Votes: 0

Answers: 2

Latest Answer

From what I see async (right) => { Either<CommonMessage, bool> update = await UpdateUnid(message); RouteUpdateMessageToEventTrace(update, successTrace, errTrace); }); does not return...
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Clemens

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