Programming in the debugger: https://willcrichton.net/notes/programming-in-the-debugger/
Discusses how notebooks enable incremental program writing, and contrasts with REPLs.
Makes some interesting points regarding persistence, although resumable exceptions have similar upsides too.
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@MekahimeAkari @lifning "C makes it easy to shoot yourself in the foot; C++ makes it harder, but when you do it blows your whole leg off". -- Real Stroustrup quote, 1986
One interesting aspect of collecting coins in a platformer like mario: it makes the level stateful.
You can see if you've been somewhere before based on whether there are coins present.
I'm adding a += operator to my programming language, because writing `x = x + 1` is tedious.
This opens the tricky design question of which operators should support this. Is += and -= sufficient, or do you expect things like >>= and **= to be available?