feat: use `cargo --bin` instead of solutions crate

.gitignore

@@ -16,5 +16,5 @@ target/
 
 # Advent of Code
 # @see https://old.reddit.com/r/adventofcode/comments/k99rod/sharing_input_data_were_we_requested_not_to/gf2ukkf/?context=3
-inputs
+/src/inputs
-!inputs/.keep
+!/src/inputs/.keep

Cargo.toml

@@ -3,7 +3,7 @@ name = "aoc"
 version = "0.1.0"
 authors = ["Felix Spöttel <1682504+fspoettel@users.noreply.github.com>"]
 edition = "2021"
-
+default-run = "aoc"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [profile.release]

README.md

@@ -33,15 +33,14 @@ Generated with the [advent-of-code-rust](https://github.com/fspoettel/advent-of-
 ./scripts/scaffold.sh <day>
 
 # output:
-# Created module `src/solutions/day01.rs`
+# Created module "src/bin/01.rs"
-# Created input file `src/inputs/day01.txt`
+# Created empty input file "src/inputs/01.txt"
-# Created example file `src/examples/day01.txt`
+# Created empty example file "src/examples/01.txt"
-# Linked new module in `src/main.rs`
+# ---
-# Linked new module in `src/solutions/mod.rs`
+# 🎄 Type `cargo run --bin 01` to run your solution.
-# Done! 🎄
 ```
 
-Every solution file has _unit tests_ referencing the example input file. You can use these tests to develop and debug your solution. When editing a solution file, `rust-analyzer` will display buttons for these actions above the unit tests.
+Every solution has _unit tests_ referencing the _example_ file. Use these tests to develop and debug your solution. When editing a solution, `rust-analyzer` will display buttons for these actions above the unit tests.
 
 ### Download inputs for a day
 
@@ -50,27 +49,26 @@ Every solution file has _unit tests_ referencing the example input file. You can
 ./scripts/download.sh <day>
 
 # output:
-# Invoking `aoc` cli...
+# Loaded session cookie from "/home/felix/.adventofcode.session".
-# Loaded session cookie from "/home/foo/.adventofcode.session".
 # Downloading input for day 1, 2021...
-# Saving puzzle input to "/tmp/..."...
+# Saving puzzle input to "/tmp/tmp.MBdcAdL9Iw/input"...
 # Done!
-# Wrote input to `src/inputs/day01.txt`...
+# ---
-# Done! 🎄
+# 🎄 Successfully wrote input to "src/inputs/01.txt"!
 ```
 
 Puzzle inputs are not checked into git. [See here](https://old.reddit.com/r/adventofcode/comments/k99rod/sharing_input_data_were_we_requested_not_to/gf2ukkf/?context=3) why.
 
+> This script does not support downloading inputs for previous years. If you want to use this template for a previous aoc, [use the underlying `aoc-cli` binary directly](https://github.com/scarvalhojr/aoc-cli/#download-puzzle-input) or download your inputs manually.
+
 ### Run solutions for a day
 
 ```sh
-# example: `cargo run 1`
+# example: `cargo run --bin 01`
-cargo run <day>
+cargo run --bin <day>
 
 # output:
-#     Running `target/debug/aoc 1`
+#     Running `target/debug/01`
-# ----
-#
 # 🎄 Part 1 🎄
 #
 # 6 (elapsed: 37.03µs)
@@ -78,11 +76,17 @@ cargo run <day>
 # 🎄 Part 2 🎄
 #
 # 9 (elapsed: 33.18µs)
-#
-# ----
 ```
 
-To run an optimized version for benchmarking, use the `--release` flag or the alias `cargo rr <day>`.
+To run an optimized version for benchmarking, use the `--release` flag or the alias `cargo rr --bin <day>`.
+
+### Run all solutions
+
+```sh
+cargo run
+```
+
+To run an optimized version for benchmarking, use the `--release` flag or the alias `cargo rr`.
 
 ### Run all solutions against example input
 

scripts/download.sh

@@ -16,7 +16,7 @@ fi
 day=$(echo $1 | sed 's/^0*//');
 day_padded=`printf %02d $day`;
 
-filename="day$day_padded";
+filename="$day_padded";
 input_path="src/inputs/$filename.txt";
 
 tmp_dir=$(mktemp -d);
@@ -24,15 +24,9 @@ tmp_file_path="$tmp_dir/input";
 
 aoc download --day $day --file $tmp_file_path;
 cat $tmp_file_path > $input_path;
-echo "Wrote input to \"$input_path\"...";
+echo "---"
-
+echo "🎄 Successfully wrote input to \"$input_path\"!"
-cat <<EOF
-   _==_ _
- _,(",)|_|
-  \/. \-|
-__( :  )|_  Done!
-EOF
 
 # Make sure it gets removed even if the script exits abnormally.
-trap "exit 1"           HUP INT PIPE QUIT TERM
+trap "exit 1"            HUP INT PIPE QUIT TERM
 trap 'rm -rf "$tmp_dir"' EXIT

scripts/scaffold.sh

@@ -10,15 +10,17 @@ fi
 day=$(echo $1 | sed 's/^0*//');
 day_padded=`printf %02d $day`;
 
-filename="day$day_padded";
+filename="$day_padded";
 
 input_path="src/inputs/$filename.txt";
 example_path="src/examples/$filename.txt";
-module_path="src/solutions/$filename.rs";
+module_path="src/bin/$filename.rs";
 
 touch $module_path;
 
 cat > $module_path <<EOF
+use aoc::{solve_day, read_file};
+
 pub fn part_one(input: &str) -> u32 {
     0
 }
@@ -27,6 +29,10 @@ pub fn part_two(input: &str) -> u32 {
     0
 }
 
+fn main() {
+    solve_day!(&read_file("inputs", DAYNUM), part_one, part_two)
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -34,43 +40,27 @@ mod tests {
     #[test]
     fn test_part_one() {
         use aoc::read_file;
-        let input = read_file("examples", day);
+        let input = read_file("examples", DAYNUM);
         assert_eq!(part_one(&input), 0);
     }
 
     #[test]
     fn test_part_two() {
         use aoc::read_file;
-        let input = read_file("examples", day);
+        let input = read_file("examples", DAYNUM);
         assert_eq!(part_two(&input), 0);
     }
 }
 EOF
 
-perl -pi -e "s,day,$day,g" $module_path;
+perl -pi -e "s,DAYNUM,$day,g" $module_path;
 
 echo "Created module \"$module_path\"";
 
 touch $input_path;
-echo "Created input file \"$input_path\"";
+echo "Created empty input file \"$input_path\"";
 
 touch $example_path;
-echo "Created example file \"$example_path\"";
+echo "Created empty example file \"$example_path\"";
-
+echo "---"
-line="        $day => solve_day!($filename, &input),"
+echo "🎄 Type \`cargo run --bin $day_padded\` to run your solution."
-perl -pi -le "print '$line' if(/^*.day not solved/);" "src/main.rs";
-
-echo "Linked new module in \"src/main.rs\"";
-
-LINE="pub mod $filename;";
-FILE="src/solutions/mod.rs";
-grep -qF -- "$LINE" "$FILE" || echo "$LINE" >> "$FILE";
-echo "Linked new module in \"$FILE\"";
-
-
-cat <<EOF
-   _==_ _
- _,(",)|_|
-  \/. \-|
-__( :  )|_  Done!
-EOF

src/lib.rs

@@ -1,13 +1,41 @@
 use std::env;
 use std::fs;
 
+pub static ANSI_ITALIC: &str = "\x1b[3m";
+pub static ANSI_BOLD: &str = "\x1b[1m";
+pub static ANSI_RESET: &str = "\x1b[0m";
+
+#[macro_export]
+macro_rules! solve_day {
+    ($input:expr, $part_one:ident, $part_two:ident) => {{
+        use aoc::{ANSI_BOLD, ANSI_ITALIC, ANSI_RESET};
+        use std::fmt::Display;
+        use std::time::Instant;
+
+        fn print_result<T: Display>(func: impl FnOnce(&str) -> T, input: &str) {
+            let timer = Instant::now();
+            let result = func(input);
+            let time = timer.elapsed();
+            println!(
+                "{} {}(elapsed: {:.2?}){}",
+                result, ANSI_ITALIC, time, ANSI_RESET
+            );
+        }
+
+        println!("🎄 {}Part 1{} 🎄", ANSI_BOLD, ANSI_RESET);
+        println!("");
+        print_result($part_one, $input);
+        println!("");
+        println!("🎄 {}Part 2{} 🎄", ANSI_BOLD, ANSI_RESET);
+        println!("");
+        print_result($part_two, $input);
+    }};
+}
+
 pub fn read_file(folder: &str, day: u8) -> String {
     let cwd = env::current_dir().unwrap();
 
-    let filepath = cwd
+    let filepath = cwd.join("src").join(folder).join(format!("{:02}.txt", day));
-        .join("src")
-        .join(folder)
-        .join(format!("day{:02}.txt", day));
 
     let f = fs::read_to_string(filepath);
     f.expect("could not open input file")

src/main.rs

@@ -1,74 +1,26 @@
-use crate::solutions::*;
+use aoc::{ANSI_BOLD, ANSI_RESET};
-use aoc::read_file;
+use std::process::Command;
-use std::env;
-use std::fmt::Display;
-use std::time::Instant;
-
-mod helpers;
-mod solutions;
-
-static ANSI_ITALIC: &str = "\x1b[3m";
-static ANSI_BOLD: &str = "\x1b[1m";
-static ANSI_RESET: &str = "\x1b[0m";
-
-fn print_result<T: Display>(func: impl FnOnce(&str) -> T, input: &str) {
-    let timer = Instant::now();
-    let result = func(input);
-    let time = timer.elapsed();
-    println!(
-        "{} {}(elapsed: {:.2?}){}",
-        result, ANSI_ITALIC, time, ANSI_RESET
-    );
-}
-
-macro_rules! solve_day {
-    ($day:path, $input:expr) => {{
-        use $day::*;
-        println!("----");
-        println!("");
-        println!("🎄 {}Part 1{} 🎄", ANSI_BOLD, ANSI_RESET);
-        println!("");
-        print_result(part_one, $input);
-        println!("");
-        println!("🎄 {}Part 2{} 🎄", ANSI_BOLD, ANSI_RESET);
-        println!("");
-        print_result(part_two, $input);
-        println!("");
-        println!("----");
-    }};
-}
 
 fn main() {
-    let args: Vec<String> = env::args().collect();
+    (1..=25).for_each(|day| {
-    let day: u8 = args[1].clone().parse().unwrap();
+        let day = format!("{:02}", day);
-    let input = read_file("inputs", day);
 
-    match day {
+        let cmd = Command::new("cargo")
-        1 => solve_day!(day01, &input),
+            .args(&["run", "--release", "--bin", &day])
-        2 => solve_day!(day02, &input),
+            .output()
-        3 => solve_day!(day03, &input),
+            .unwrap();
-        4 => solve_day!(day04, &input),
+
-        5 => solve_day!(day05, &input),
+        let output = String::from_utf8(cmd.stdout).unwrap();
-        6 => solve_day!(day06, &input),
+        println!("----------");
-        7 => solve_day!(day07, &input),
+        println!("{}| Day {} |{}", ANSI_BOLD, day, ANSI_RESET);
-        8 => solve_day!(day08, &input),
+        println!("----------");
-        9 => solve_day!(day09, &input),
+        println!(
-        10 => solve_day!(day10, &input),
+            "{}",
-        11 => solve_day!(day11, &input),
+            if !output.is_empty() {
-        12 => solve_day!(day12, &input),
+                output
-        13 => solve_day!(day13, &input),
+            } else {
-        14 => solve_day!(day14, &input),
+                "Not solved.".to_string()
-        15 => solve_day!(day15, &input),
+            }
-        16 => solve_day!(day16, &input),
+        );
-        17 => solve_day!(day17, &input),
+    });
-        18 => solve_day!(day18, &input),
-        19 => solve_day!(day19, &input),
-        20 => solve_day!(day20, &input),
-        21 => solve_day!(day21, &input),
-        22 => solve_day!(day22, &input),
-        23 => solve_day!(day23, &input),
-        24 => solve_day!(day24, &input),
-        25 => solve_day!(day25, &input),
-        _ => println!("day not solved: {}", day),
-    }
 }