Didactical used in a sentence

Didactical in a sentence as an adjective

IMO, it's a bad book if your purpose is learning Racket.> You might, as a novice coming to Racket, find "Realm of Racket" to be more approachableOr, as an experienced programmer, be bored to tears by the slow pacing and didactical style.

Actually it's a good didactical way to first implement the "raw" version of Dijkstra's algorithm without a priority queue and than discuss the other variants of the algorithm afterwards, because priority queues are another topic that adds extra difficulty and doesn't yield any benefit to comprehend the acutal problem.