When developing a complex model in GroIMP, it happens that you want to “store” nodes in an “easy” to access data structure (list, array, map, …), or as fields of other objects (create a module with its parent as field). Such kind of development practice are strongly discouraged, as they are both inefficient and prone to unexpected errors in the project. This tutorial will cover what type of issues this behavior can create, and propose different approaches to properly get to the same goal.

→ Read more...