Daily scala

A common misunderstanding is that a code block (without parameters) is a function. That is not the case. A code block is a sequence of sta...

A second "gotcha" that one might get tripped up when dealing with abstract types is the signature of the concrete class contains t...

This topic is a continuation of the previous implicit parameter topics: Implicit Parameters Companion Object Implicits This topic provides...

Evidently the topic of implicit parameters has not yet been correctly addressed. There have been several topic that refer to implicit param...

Scala 2.8 added the break control flow option. It is not implemented as a special language feature. Rather it is simply implemented as an...

One of the most talked about features of Scala 2.8 is the improved Collections libraries. Creating your own implementation is trivial, howe...

In Scala 2.8 there is a useful annotation called 'elidable'. This annotation flags a method so that given certain compiler flags al...

The last few topics all discussed variance in its different forms. The following is a cheat sheet of the where the different variances exis...

This is a continuation of post: Variant Positions 1 ... My first attempt at the Verified was to make it a mutable object (my Java tourett...

An additional topic on variance to finish up the major points on the topic. The previous two posts: In- and Co- variance of type parameter...

Continuing on with variance and type parameters, this topic will discuss contravariance. See the post In- and Co- variance of type paramete...

Continuing on with operators , There is a special type of operator in Scala. It is an operator that ends with =. If a class has operation ...

This is a bit of a departure from the standard daily-scala format, but it is one of the elements I had always invisioned. This topic takes ...

Suppose you are creating a DSL and you want to implicitly convert 2 values to a particular object: val  v : SomeObject = (2, 3) This is easi...