A test on how to fetch the example input for Advent of Code

Cargo.toml

[package]
name = "rust_aoc_test_fetch"
version = "0.1.0"
edition = "2021"

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

[dependencies]
reqwest = "0.11.13"
tokio = { version = "1.23.0", features = ["full"] }

main.rs

#[tokio::main]
async fn main() {
    // Fetch body from AoC for current day
    let aoc_body = reqwest::get("https://adventofcode.com/2022/day/7").await.unwrap().text().await.unwrap();

    let phrase = "For example";                                                 // Seems to be the phrase used before every example input <code> tag
    let code_after_phrase = aoc_body.split(phrase).collect::<Vec<&str>>()[1];   // The code snippet we want should be second element in vec

    let code_tag = "code>";
    let code_missing_tag_part = "</";
    let code_snippet = &code_after_phrase.split(code_tag) // split on 'code>' helps us keep just the code snippet in same element
        .map(|f| f.replace(code_missing_tag_part, "\n"))     // replace the '</' left from <code> end tag </code>. Add newline to match how the puzzle input looks
        .collect::<Vec<String>>()[1];                              // Our desired code snippet should be the second element in vec

    println!("'{}'", &code_snippet);
}