Implementing the generic IEnumerable interface

Say you want to implement a class that implements the IEnumerable interface in C#. Then you have two choices, either to implement the old-style non-generic IEnumerable interface or you can implements the generic IEnumerable<T> interface. Given those choices we of course want to implement the new generic version of the interface. Because otherwise lots of […]

GADTs in C++

My good friends Claudio Russo and Andrew Kennedy have been kind enough to send me a draft paper about Generalized Algebraic Data Types (GADTs) and Object-Oriented Programming. GADTs generalize the datatypes of ML and Haskell by permitting constructors to produce different type-instantiations of the same datatype. One of Andrew and Claudio’s examples is a slightly […]

Now with Java

Following up on the benchmark from yesterday, I’ve produced a Java version of the queens benchmark ( Below is the updated graph. I have a suspision that the reason Mono and Java is performing so bad is not only due to exceptions, but rather it has something to do with garbage collection. I also tried […]

A hand full of Queens

Or: SML/Moscow ML is faster than C++/GCC Inspired by a remark by Peter about the abysmal performance of exceptions on the .NET platform. I decided to check it for myself with a micro-benchmark. I also decided to check the performance of C++ exceptions, just for the fun of it. The micro-benchmark is to find a […]