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blog(nix-iceberg): explain tic tac toe in nix repl

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site/blog/2024-04-15-nix-iceberg.md
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@ -1108,7 +1108,26 @@ instead of `builtins.break` itself.
## multiplayer tic-tac-toe in nix repl ## multiplayer tic-tac-toe in nix repl
TODO You want to read this blog post:
[Are Nix Expressions Pacman-Complete?](https://stuebinm.eu/posts/nix-tic-tac-toe-complete.html)
You can run it using the following bash/zsh/etc (any shell that implements
`$(( RANDOM ))`):
```sh
git clone https://stuebinm.eu/git/playground nix-tic-tac-toe
# In first shell:
nix-build --argstr seed $(( RANDOM )) nix-tic-tac-toe/nix-turing/game.nix
# In second shell, in parallel:
move=0
while true; do
read -p "move: " content
echo "$content" > "/tmp/input-${move}"
((move++))
done
```
## `let e="e"; in [001.2e01e.30.4]` ## `let e="e"; in [001.2e01e.30.4]`