diff options
| -rw-r--r-- | .gitignore | 3 | ||||
| -rw-r--r-- | Cargo.toml | 6 | ||||
| -rw-r--r-- | LICENSE | 21 | ||||
| -rw-r--r-- | src/bin/day_1.rs | 18 | ||||
| -rw-r--r-- | src/lib.rs | 23 |
5 files changed, 71 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..6aa1064 --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +/target/ +**/*.rs.bk +Cargo.lock diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..a723369 --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "advent_of_code_2018" +version = "0.1.0" +authors = ["Justin Worthe <justin@worthe-it.co.za>"] + +[dependencies] @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2018 Justin Worthe + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/src/bin/day_1.rs b/src/bin/day_1.rs new file mode 100644 index 0000000..7c9cdbf --- /dev/null +++ b/src/bin/day_1.rs @@ -0,0 +1,18 @@ +extern crate advent_of_code_2018; +use advent_of_code_2018::*; + +use std::error::Error; +use std::path::PathBuf; + +// cargo watch -cs "cargo run --bin day_1" + +fn main() -> Result<(), Box<Error>> { + let input = read_file(&PathBuf::from("inputs/1.txt"))?; + + println!("Input: {:?}", input); + + + + + Ok(()) +} diff --git a/src/lib.rs b/src/lib.rs new file mode 100644 index 0000000..01d6242 --- /dev/null +++ b/src/lib.rs @@ -0,0 +1,23 @@ +use std::path::PathBuf; +use std::io::BufReader; +use std::io::prelude::*; +use std::fs::File; + +/// Reads a specified file into a vector of strings, one line of the +/// file per string. Fails if any part of reading the file fails. +pub fn read_file(file: &PathBuf) -> Result<Vec<String>, std::io::Error> { + let file = File::open(file)?; + let file_reader = BufReader::new(file); + file_reader.lines() + .collect::<Result<Vec<_>, _>>() + .map(preprocess_file_lines) +} + +/// Removes any empty lines and makes sure that lines don't have +/// problematic whitespace. +pub fn preprocess_file_lines(lines: Vec<String>) -> Vec<String> { + lines.iter() + .filter(|line| line.len() > 0) + .map(|line| line.trim_right().to_string()) + .collect() +} |