benches\bench.rs

#![feature(test)]
include!("../src/solution.rs");

extern crate test;

const INPUT: &'static str = include_str!("../in");

use criterion::{criterion_group, criterion_main, Criterion};

fn criterion_benchmark(c: &mut Criterion) {
    c.bench_function("p1_me", |b| b.iter(|| part1(INPUT)));
    c.bench_function("p2_me", |b| b.iter(|| part2(INPUT)));
}

criterion_group!(
    name = benches;
    config = Criterion::default().sample_size(100);
    targets = criterion_benchmark
);
criterion_main!(benches);

Cargo.toml

[package]
name = "day7"
version = "0.1.0"
authors = ["Matthew Tran <0e4ef622@gmail.com>"]
edition = "2018"

[dev-dependencies]
criterion = "*"

[[bench]]
name = "bench"
harness = false

[dependencies]
# intcode library
# ic = { path = "../ic" }

src\main.rs

use std::io::Read;
mod solution;
// const INPUT: &'static str = include_str!("../in");
fn main() {
    let mut input = String::new();
    std::io::stdin().read_to_string(&mut input);
    let p1 = solution::part1(&input);
    println!("part 1: {}", p1);
    let p2 = solution::part2(&input);
    println!("part 2: {}", p2);
}

src\solution.rs

pub fn part1(input: &str) -> impl Display {
}

pub fn part2(input: &str) -> impl Display {
    0
}