Links for 28-Jan

Foundations of functional programming (in F# and C#) - Part 0, Part 1

Polyglot, not panglot -- it's all about choosing the right tool for each job

Design by Contract and C# (without Spec#)

A range type for Java -- and the same trick should work in C# if the language hasn't grown one when you need it

C# Future Focus -- part 1