initial commit

.gitignore

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+
+# Generated
+target/
+
+# Config
+.local/
+.vscode/
+.vs/

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "adventofcode2025"
+version = "0.1.0"
+dependencies = [
+ "day_0",
+ "solver",
+ "utils",
+]
+
+[[package]]
+name = "day_0"
+version = "0.1.0"
+dependencies = [
+ "solver",
+ "utils",
+]
+
+[[package]]
+name = "solver"
+version = "0.1.0"
+
+[[package]]
+name = "utils"
+version = "0.1.0"

Cargo.toml

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+[package]
+name = "adventofcode2025"
+version = "0.1.0"
+edition = "2024"
+
+[workspace]
+members = [
+	"crates/utils", 
+	"crates/solver", 
+	"crates/day_0", 
+	# "crates/day_1", 
+	# "crates/day_2",
+	# "crates/day_3",
+	# "crates/day_4",
+	# "crates/day_5",
+	# "crates/day_6",
+	# "crates/day_7",
+	# "crates/day_8",
+	# "crates/day_9",
+	]
+
+[dependencies]
+utils = { workspace = true }
+solver = { workspace = true }
+day_0 = { workspace = true }
+# day_1 = { workspace = true }
+# day_2 = { workspace = true }
+# day_3 = { workspace = true }
+# day_4 = { workspace = true }
+# day_5 = { workspace = true }
+# day_6 = { workspace = true }
+# day_7 = { workspace = true }
+# day_8 = { workspace = true }
+# day_9 = { workspace = true }
+
+[workspace.dependencies]
+utils = { path = "crates/utils" }
+solver = { path = "crates/solver" }
+day_0 = { path = "crates/day_0" }
+# day_1 = { path = "crates/day_1" }
+# day_2 = { path = "crates/day_2" }
+# day_3 = { path = "crates/day_3" }
+# day_4 = { path = "crates/day_4" }
+# day_5 = { path = "crates/day_5" }
+# day_6 = { path = "crates/day_6" }
+# day_7 = { path = "crates/day_7" }
+# day_8 = { path = "crates/day_8" }
+# day_9 = { path = "crates/day_9" }

build.rs

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+/******************************************************************************
+*	@file		build.rs
+*	@author		Joey Pollack
+*	@date		2025/11/20 (y/m/d)
+*	@modified	2025/11/20 (y/m/d)
+*	@copyright	Joseph R Pollack (2025)
+*	@brief		
+******************************************************************************/
+
+// use std::process::Command;
+
+fn main()
+{
+	let name = env!("CARGO_PKG_NAME");
+	println!("{} build.rs started...", name);
+	
+	println!("{} build.rs finished", name);
+}

crates/day_0/Cargo.toml

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+[package]
+name = "day_0"
+description = "Day 0 of the Advent of Code 2025!"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+solver = { workspace = true }
+utils = { workspace = true }

crates/day_0/build.rs

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+
+fn main()
+{
+	let name = env!("CARGO_PKG_NAME");
+	println!("{} build.rs started...", name);
+
+	println!("{} build.rs finished...", name);
+}

crates/day_0/src/day_0.rs

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+/******************************************************************************
+*	@file		day_0.rs
+*	@author		Joey Pollack
+*	@date		2025/11/20 (y/m/d)
+*	@modified	2025/11/20 (y/m/d)
+*	@copyright	Joseph R Pollack (2025)
+*	@brief		pre-advent testing
+******************************************************************************/
+
+use solver::solver::Solver;
+
+pub struct Day0;
+
+impl Solver for Day0
+{
+	fn init(&mut self, _config: solver::solver::SolverState) -> Result<(), String> 
+	{
+
+		return Ok(())
+		// todo!("Day0::init()")
+	}
+
+	fn solve(&mut self, _input: String) -> Result<u64, String> 
+	{
+		
+		Ok(0)
+	}
+
+	fn name(&self) -> String
+	{
+		"Day 0".to_string()
+	}
+}
+
+impl Day0
+{
+	pub fn new() -> Day0
+	{
+		Day0 {}
+	}
+}

crates/day_0/src/lib.rs

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+
+pub mod day_0;

crates/solver/Cargo.toml

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+[package]
+name = "solver"
+description = "Defines the traits used by each problem solver"
+version = "0.1.0"
+edition = "2024"
+
+# [dependencies]

crates/solver/src/lib.rs

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+
+pub mod solver;

crates/solver/src/solver.rs

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+/******************************************************************************
+*	@file		solver.rs
+*	@author		Joey Pollack
+*	@date		2025/11/20 (y/m/d)
+*	@modified	2025/11/20 (y/m/d)
+*	@copyright	Joseph R Pollack (2025)
+*	@brief		
+******************************************************************************/
+
+// pub trait SolutionValue<T: Into<T>>
+// {
+// 	fn get_solution_value() -> T;
+// 	// fn into() -> T;	// Should be From() instead? https://doc.rust-lang.org/std/convert/trait.Into.html
+// }
+
+use std::collections::HashMap;
+
+pub trait Solver
+{
+	fn init(&mut self, config: SolverState) -> Result<(), String>;
+	fn solve(&mut self, input: String) -> Result<u64, String>;
+	fn name(&self) -> String;
+}
+
+pub enum SolverOption
+{
+	Verbose = 	0x01,
+	Debug 	= 	0x02,
+
+}
+
+#[derive(Clone, Debug)]
+pub struct SolverState
+{
+	options: u64,
+	values: HashMap<String, String>,
+}
+
+impl SolverState
+{
+	pub fn new() -> Self
+	{
+		SolverState { options: 0, values: HashMap::new() }
+	}
+
+	pub fn set_option(self: &mut SolverState, opt: SolverOption)
+	{
+		self.options |= opt as u64;
+	}
+
+	pub fn clear_option(self: &mut SolverState, opt: SolverOption)
+	{
+		self.options &= !(opt as u64);
+	}
+
+	pub fn check_option(self: &SolverState, opt: SolverOption) -> bool
+	{
+		self.options & (opt as u64) != 0
+	}
+
+	pub fn set_value(self: &mut SolverState, val: String, key: String)
+	{
+		self.values.insert(key, val);
+	}
+
+	pub fn get_value(self: &SolverState, key: String) -> String
+	{
+		self.values[&key].clone()
+	}
+}

crates/utils/Cargo.toml

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+[package]
+name = "utils"
+description = "Utility functions"
+version = "0.1.0"
+edition = "2024"
+
+# [dependencies]

crates/utils/src/lib.rs

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+
+pub mod utils;

crates/utils/src/utils.rs

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+/******************************************************************************
+*	@file		utils.rs
+*	@author		Joey Pollack
+*	@date		2025/11/20 (y/m/d)
+*	@modified	2025/11/20 (y/m/d)
+*	@copyright	Joseph R Pollack (2025)
+*	@brief		Functions that are generally useful.
+******************************************************************************/
+
+use std::{io::prelude::*, fs::File, path::Path};
+
+pub fn read_text_file(file_name: &str) -> String
+{
+	let mut file = match File::open(Path::new(file_name))
+    {
+        Ok(file) => file,
+        Err(why) => panic!("Could not open file {}: {}", Path::new(file_name).display(), why),
+    };
+
+    let mut s = String::new();
+    let file_contents = match file.read_to_string(&mut s) 
+    {
+        Err(why) => panic!("could not read {}: {}", Path::new(file_name).display(), why),
+        Ok(_) => s,
+    };
+    
+    return file_contents;
+}

src/main.rs

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+
+
+use solver::solver::{Solver, SolverState, SolverOption};
+use day_0::day_0::Day0;
+
+fn main() 
+{
+    println!("Hello, world!");
+
+    // TODO: Grab command line args
+
+    // TODO: Parse args into a SolverState
+    let state = SolverState::new();
+    let _ = SolverOption::Debug;
+
+    let mut test_day = Day0::new();
+
+    // TODO: init test_day with the 
+    test_day.init(state).expect(&format!("Test {} Failed to init", test_day.name()));
+
+    let result = match test_day.solve("".to_string())
+    {
+        Ok(r) => r,
+        Err(e) => panic!("Test Error: {}", e),
+    };
+
+    println!("Test {} result: {}", test_day.name(), result);
+    
+}