4i is a Model-Oriented Programming and Meta-Programming orchestration tool, you can use it to create models and generate codes. It makes possible for programmers to build there own modules from-scratch or just extend some existing ones.
Here is the common “hello world” example in action. It’s basically based on the module 4i.language.python.hello which extends the module 4i.language.python which extends the module 4i.language which extends the root module 4i.
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