log.rs
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log.rs
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	use chrono::Local;
	use global_placeholders::global;
	use std::fs::{File, OpenOptions};
	use std::io::{self, Write};

	pub struct Logger {
	file: File,
	}

	impl Logger {
	pub fn new() -> io::Result<Self> {
	let file = OpenOptions::new().create(true).append(true).open(global!("pmc.log"))?;
	Ok(Logger { file })
	}

	pub fn write(&mut self, message: &str) { writeln!(&mut self.file, "[{}] {}", Local::now().format("%Y-%m-%d %H:%M:%S%.3f"), message).unwrap() }
	}

	#[macro_export]
	macro_rules! log {
	($message:expr $(, $arg:expr)*) => {
	let mut log = log::Logger::new().unwrap();
	log.write(format!($message $(, $arg)*).as_str());
	};
	}