In slick, if each foo has many bars and I need to retrive several foos and associtated bars I will do something like this:

val join = for {
     (f,b) <-
                  foo.filter(...) on  innerJoin
                  bar on (...)
   } yield (o,i,s)

This blog was on tumblr, which was easy to setup and post and such. However, I spend like 8 hours a day with a text editor open and a git in terminal window.

This post is a work in progress and represents my getting to understand how laziness works in haskell and how it affects performance.

In an old essay, Paul Graham, talks about how some languages are more succinct and therefore they are more powerful. In fact, some programming languages can say things that you can’t easily say in others. Maybe you can’t say them at all. Its a good essay overall, you should read it.