Will I love Type-Driven Development with Idris?

For many years I did not question the validity of the language I was using, focussing instead on becoming good at getting it to do what was needed. It never occurred to me that, say, the type system could be flawed, causing extra work and allowing unnecessary bugs to seep in.

But what if, instead of writing validation code, you could define your types in a way that makes it impossible to create an invalid instance? What if you could define state transitions in such a way that a state machine cannot transition into an invalid state? These are indeed… show more.