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> A language where the program is constructed by editing a running process in-place with a debugger/IDE, then the process is "saved" as an executable.

It's been a few years, but this reminds me of learning Smalltalk back in the day, as well as how some Lisps (CL?) treat the VM as the program being produced

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I knew a couple of Smalltalkers that would write their programs in the debugger. Its pretty good for rapidly figuring out what you need to get the job done, and then they would go back with the refactoring browser to clean it up and get it in line with the rest of the system.

This is generally how I write Ruby, using pry.

Yeah, I think Squeak is distributed this way, as a VM image.

Smalltalk is like this and so is SBCL with Emacs Slime mode.

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