scala Archives - Page 4 of 7

What is “lifting” in Scala?

Sometimes when I read articles in the Scala ecosystem I read the term “lifting”https://stackoverflow.com/”lifted”. Unfortunately, it is not explained what that exactly means. ...

May 19, 2022
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What are Scala context and view bounds?

In a simple way, what are context and view bounds and what is the difference between them? Some easy-to-follow examples would be great ...

May 18, 2022
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How do I break out of a loop in Scala?

How do I break out a loop? var largest=0 for(i<-999 to 1 by -1) { for (j<-i to 1 by -1) { val ...

May 17, 2022
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What is a higher kinded type in Scala?

You can find the following on the web: Higher kinded type == type constructor? class AClass[T]{...} // For example, class List...

May 17, 2022
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Scala: join an iterable of strings

How do I “join” an iterable of strings by another string in Scala? val thestrings = Array("a","b","c") val joined = ??? println(joined) I ...

May 16, 2022
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How to model type-safe enum types?

Scala doesn’t have type-safe enums like Java has. Given a set of related constants, what would be the best way in Scala to ...

May 15, 2022
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What is the difference between a var and val definition in Scala?

What is the difference between a var and val definition in Scala and why does the language need both? Why would you choose ...

May 14, 2022
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How to use java.String.format in Scala?

I am trying to use a .format method of a string. But if I place %1, %2, etc. in the string, java.util.UnknownFormatConversionException is ...

May 14, 2022
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Understanding implicit in Scala

I was making my way through the Scala playframework tutorial and I came across this snippet of code which had me puzzled: def ...

May 13, 2022
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What is Scala’s yield?

I understand Ruby and Python’s yield. What does Scala’s yield do? 10 Answers 10

May 13, 2022
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