55 lines
1.2 KiB
Markdown
55 lines
1.2 KiB
Markdown
# aoc-2022
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don't look in `src/bin/day_*.rs` if you don't want spoilers.
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yes some of this setup is needlessly overengineered
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## magic rust macros (tm)
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yes
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i thought teehee i could make a proc macro for this
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## using this
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just don't
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### ok alright
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Make a solution for a day:
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```rust
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// Some useful things, including macros + color_eyre
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use aoc_2022::prelude::*;
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type Input = String; // some mildly useful structure for the input data
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fn parse(s: &str) -> Result<Input> {
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// implement whatever scary string manipulation you like
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Ok(s.to_owned())
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}
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// heres some macro magic ✨
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#[aoc(
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day = 100, // used to fetch the challenge stuff from AOC directly
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parse = parse, // so I can reuse parsers if needed
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test_cases = ["day_100.txt"] // loaded from `test_cases/`
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)]
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fn day_100(mut input: Input) -> Result<()> {
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// do something remotely awful to solve the challenge
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// probably should println!() the results or something
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Ok(())
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}
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// macro: a wild main function appears!
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```
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### auto-fetching
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steal your session cookie from the browser devtools
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make `.env` and add `AOC_SESSION=<your massive long session token>`
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maybe use direnv to make it easier to load the `.env` file? (and the nix flake (yes theres one of those too uwu))
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