Does D have \'newtype\' (as in Haskell). It\'s a naive question, as I\'m just skimming D, but Google didn\'t turn up anything useful.
Parametrized types such as C++ templates are a nice thing, but most of the time they can only be parametrized by other types.
Consider this code: typedef int type1; typedef int type2; template <typename> struct some_trait; template <开发者_如何学编程>
This may seem a bit odd, but I really need to create a workaround for the very complicated duplex - communication - handling in C#, especially to force other developers to observe the DRY - principle.
Sorry if the question is very elementary, I am still very new to Haskell. Lets say I have a function that can only work with two numbers that are in the golden ration (1.618), how do I define the type
I\'m wondering why this piece of code doesn\'t type-check: {-# LANGUAGE ScopedTypeVariables, Rank2Types, RankNTypes #-}
I have been learning about开发者_Python百科 various functional languages for some time now including Haskell, Scala and Clojure. Haskell has a very strict and well-defined static type system. Scala is
I\'ve wrapped a Message and would like to log which message I\'ve wrapped. val any :Any = msg.wrappedMsg
Since type variables cannot hold poly-types, it seems that with Rank*Types we cannot re-use existing functions because of their monotype restriction.
I\'m working developing a system right now that deals with lots of conversions between semantically different values that have the same primitive .NET type (double/string/int).This means that it\'s po