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Convert Option[String] to Option[Path]...

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Java-Stream & Optional - Find a value that matches to a stream-element or provide a Default valu...

Why Optional.isEmpty() which checks for NULL is not called isNull()...

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Scala case class update value...

Asymmetry of (Some (x), None).min and max...

Convert a List of Options to an Option of List using Scalaz...

'Optional.get()' without 'isPresent()' check...

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Why does Rust need the `if let` syntax?...

How to implement Error::cause properly in Rust?...

What's the idiomatic way to handle multiple `Option<T>` in Rust?...