Completed Day 1

A bit behind! :o
2018-12-12 00:04:49 -05:00 · 2018-12-12 00:04:49 -05:00 · 4b4ba0602d
commit 4b4ba0602d
7 changed files with 1021 additions and 0 deletions
--- a/.gitignore
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 /target
 **/*.rs.bk
--- a/Cargo.lock
+++ b/Cargo.lock
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 [[package]]
 name = "advent-of-code-2018"
 version = "0.1.0"
--- a/Cargo.toml
+++ b/Cargo.toml
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 [package]
 name = "advent-of-code-2018"
 version = "0.1.0"
 authors = ["Tyler Hallada <tyler@hallada.net>"]
 edition = "2018"
 [dependencies]
--- a/inputs/1.txt
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--- a/inputs/1_test.txt
+++ b/inputs/1_test.txt
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--- a/src/day1.rs
+++ b/src/day1.rs
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 use std::error::Error;
 use std::fs::File;
 use std::io::{BufRead, BufReader};
 const INPUT: &str = "inputs/1.txt";
 pub fn solve() -> Result<i32, Box<Error>> {
    calculate_resulting_frequency(INPUT)
 }
 fn calculate_resulting_frequency(filename: &str) -> Result<i32, Box<Error>> {
    let mut freq: i32 = 0;
    let file = File::open(filename)?;
    for line in BufReader::new(file).lines() {
        let adjustment: i32 = line?.parse()?;
        freq += adjustment;
    }
    Ok(freq)
 }
 #[cfg(test)]
 mod tests {
    use super::*;
    const TEST_INPUT: &str = "inputs/1_test.txt";
    #[test]
    fn finds_resulting_frequency() {
        assert_eq!(calculate_resulting_frequency(TEST_INPUT).unwrap(), 3);
    }
 }
--- a/src/main.rs
+++ b/src/main.rs
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 mod day1;
 fn main() {
    println!("Day 1:");
    println!("{}", day1::solve().unwrap());
 }