It sounds silly, but I can\'t get it. Why can the expression [] == [] be typed at all? More specifically, which type (in class Eq) is inferred to the type of list elements?
I have the following code implementation of Breadth-First search. trait State{ def successors:Seq[State]
In F# I have a function that returns System.Linq.Expression instances: and System.Object with member this.ToExpression() 开发者_如何学JAVA=
Is it possible to create types like e.g. String(20) in scala? The aim would be to have compiler checks for things like:
This question already has answers here: Difference between `data` and `newtype` in Haskell (2 answers) Closed 8 years ago.
I am trying to understand type members in Scala. I wrote a simple example that tries to explain my question.
I am writing a key value store API (like ODBC, just the interface, not the underlying store) in many different languages and while I do not want to transliterate the API between languages, I do not wa
In my reading on dynamic and static typing, I keep coming up against the assumption that statically typed languages are compiled, while dynamically typed languages are interpreted. I know that in gene
I thought, I would understand Java generics by now. But now I\'m helpless again. I have a generic class where a c-tor constructs correctly-typed instance, while a static factory method produces a typ
Could someone give me a clear dis开发者_StackOverflow社区tinction between latent and manifest type system?Sometimes, the same concept gets invented independently in different areas of computer science