42 lines
855 B
Rust
42 lines
855 B
Rust
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use anyhow::{anyhow, Result};
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use std::env;
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mod days;
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fn help() {
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println!("Usage: {} <day-number>", env!("CARGO_BIN_NAME"));
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}
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fn run_day(number: i32) -> Result<()> {
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match number {
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1 => {
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days::day1::run()?;
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}
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_ => return Err(anyhow!("Invalid day provided")),
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}
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Ok(())
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}
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fn main() -> Result<()> {
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let args: Vec<String> = env::args().collect();
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match args.len() {
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2 => {
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let number: i32 = match args[1].parse() {
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Ok(n) => n,
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Err(_) => {
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help();
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return Err(anyhow!("Argument is not an integer"));
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}
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};
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run_day(number)?;
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}
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_ => {
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help();
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return Err(anyhow!("Invalid arguments provided"));
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}
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}
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Ok(())
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}
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