Fancy console colors

main.rs

fn main() {
	table_1();
	table_2();
}

fn format(codes:Vec<u8>, string:String) {
	for i in codes {
		print!("{}", esc(i));
	}
	print!("{:^4}", string);
	print!("{}", esc(0));
}

fn esc(c:u8) -> String {
	return format!("\x1b[{}m", c);
}

fn clear() {
	for _ in 0..10 {
		println!();
	}
}

fn table_1() {
	for i in 0..110 {
		print!("{}{:>4}{}", esc(i), i, esc(0));
		if i % 10 == 9 {
			println!();
		}
	}
	println!();
	println!();
}

fn table_2() {
	for i in 0..=9 {
		format(vec![i], i.to_string());
		for x in 40..=47 {
			format(vec![i, x], x.to_string());
		}
		println!();
		for y in 30..=37 {
			format(vec![i, y], y.to_string());
			for x in 40..=47 {
				format(vec![i, y, x], ":)".to_string());
			}
			println!();
		}
		println!();
	}
}

fn table_3() {
	for i in 32..=126 {
		let sym = String::from_utf8(vec![i]).unwrap_or(String::from("_"));
		print!("{:>3} {} ", i, sym);
		if i%8 == 7 {
			println!();
		}
	}
	println!();
}

fn table_4() {
	for i in 0x20..=0xFFFF {
		let c = i & 0xF;
		if c == 0 {
			print!("{:>3X}_ | ", i >> 4);
		}
		let sym = String::from_utf16(&[i]).unwrap_or(String::from("_"));
		print!("{:X}={} ", i & 0xF, sym);
		if c == 15 {
			println!();
		}
	}
	println!();
}

fn blind() {
	let mut i:u8 = 0;
	loop {
		let c = 0x2800|i as u16;
		let sym = String::from_utf16(&[c]).unwrap();
		println!("{:0X} {}", c, sym);
		std::thread::sleep(std::time::Duration::from_millis(100));
		i = i.wrapping_add(1);
	}
}

fn bricks() {
	let syms = ['⠉', '⠛', '⠶', '⣤', '⣀', '⠀'];

	let mut i:usize = 0;
	let mut ss = String::with_capacity(256);
	loop {
		ss.push_str("\n\n\n\n");
		for j in 0..64 {
			ss.push(syms[(i+j*(syms.len()-4)) % syms.len()]);
			ss.push('\n');
		}
		i+=1;
		println!("{}", ss);
		ss.clear();
		std::thread::sleep(std::time::Duration::from_millis(100));
	}
}