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Java 8 Mapping multiple optional parameters into a function...

javajava-8option-type

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How to declare an `enum` of `enum` that allows for "flattened" `switch` statement?...

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how to compare Optional<Long> with Long...

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Idiomatic error handling in Clojure...

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How to check if a object is in Optional<Object> map - Java...

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Why can't Swift's greater-than or less-than operators compare optionals when the equality op...

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Haskell: catMaybe for Data.Set?...

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Why should hibernate query return a List of Optionals?...

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Template argument deduction failed, trying with std::variant...

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Unable to add values (using +=) to enum as it's an optional type?...

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Obtaining a Bool out of [Maybe Bool] which is guaranteed to contain at least one Just...

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Optional ofNullable on nested reference to object...

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Is there something like the swift optional chaining in javascript?...

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using ifPresent with orElseThrow...

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Haskell Maybe list element operations...

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Java stream - elegant way to do stream on nullable list...

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How to handle exceptions with Optional.orElseGet() properly...

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Is there a more innovative way to handle null exceptions in the following cases?...

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Issue about extending Optional with Generic Type in Swift...

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How to encode a series of optional tokens in YACC (/RACC)...

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Optional with multiple exceptions...

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Avoid NoSuchElementException with Stream...

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How can I update an element in a tuple list?...

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Adding two Optionals in a Predicate...

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Why do I have to call `sum` twice to sum a list of `Maybe Integer`s?...

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Is there a way for variables to have a few types in GDScript...

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What are the intended means for passing missing values into the list using short hand syntax...

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Returning set from Optional...

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Is java.util.Optional<T> map function thread-safe ? If yes, How can I test it?...

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How to peek on an Optional?...

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