atcoder-kit 0.2.0

A command-line tool for AtCoder like acc and oj.
Documentation 
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use std::io::Write;

pub(crate) fn init_logger() {
    let mut builder =
        env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info"));

    builder.format(|buffer, record| {
        let level_style = buffer.default_level_style(record.level());
        writeln!(
            buffer,
            "{}[{}]{} {}",
            level_style.render(),
            record.level(),
            level_style.render_reset(),
            record.args()
        )
    });
    builder.init();
}