Add proper logging

It's getting very annoynig commenting and uncommenting printlines

Author: Lexicality

Cargo.lock

@@ -11,11 +11,13 @@ default-run = "advent-of-code"
 [dependencies]
 ansi_term = "0.12.1"
 clap = { version = "4.0.29", features = ["cargo", "derive", "env"] }
+env_logger = "0.11.8"
 hex = "0.4.3"
 humantime = "2.1.0"
 inventory = "0.3.2"
 itertools = "0.14.0"
 lazy_static = "1.4.0"
+log = "0.4.28"
 md-5 = "0.10.6"
 num = "0.4.1"
 regex = "1.7.0"

Cargo.toml

@@ -98,13 +98,14 @@ pub fn part_1(data: crate::DataIn) -> crate::AoCResult<String> {
     let mut dial: Dial = Default::default();
     for line in data {
         let instruction = line.parse()?;
-        // println!("{dial}\n{instruction}");
+        log::debug!("{dial}");
+        log::debug!("-> {instruction}");
         dial.rotate(instruction);
         if dial.0 == 0 {
             ret += 1;
         }
     }
-    // println!("{dial}");
+    log::info!("{dial}");
     Ok(ret.to_string())
 }
 

src/aoc/y2025/day01.rs

@@ -11,8 +11,11 @@ use std::collections::HashMap;
 use std::process::ExitCode;
 use std::time::Instant;
 
-use advent_of_code::{AoCData, AoCDay, AoCError, AoCResult};
+use env_logger::Builder;
 use itertools::Itertools;
+use log::LevelFilter;
+
+use advent_of_code::{AoCData, AoCDay, AoCError, AoCResult};
 
 type DayMap = HashMap<&'static str, HashMap<&'static str, &'static AoCDay>>;
 
@@ -101,6 +104,12 @@ fn main_wrapped() -> AoCResult<()> {
 }
 
 fn main() -> ExitCode {
+    Builder::new()
+        .filter_level(LevelFilter::Info)
+        .format_target(false)
+        .format_timestamp(None)
+        .parse_default_env()
+        .init();
     match main_wrapped() {
         Ok(_) => ExitCode::SUCCESS,
         Err(err) => {