Forth is a simple language, with simple rules and a simple execution model. It’s also self-hosted and interactive - you can type this at the prompt:
1 2 + .<cr> What you’ll get as response is this (details may differ, everything below is for Mecrisp Forth):
1 2 + . 3 ok.<lf> ^^^^^^^^^^^ added by Forth All code is parsed into a sequence of “words”, which is anything between whitespace. The above code consist of 4 words: 1, 2, +, and .
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