protify 0.1.4

A Rust-first protobuf framework to generate packages from rust code, with validation included
Documentation 
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use crate::*;

pub(crate) const PROTOBUF_MAX_TAG: i32 = 536_870_911;

pub(crate) fn render_reserved_numbers(ranges: &[Range<i32>]) -> Option<String> {
	if ranges.is_empty() {
		return None;
	}

	let mut output_str = "reserved ".to_string();

	for (i, range) in ranges.iter().enumerate() {
		let Range { start, end } = range;

		if *start == *end - 1 {
			write!(output_str, "{start}").unwrap();
		} else {
			let end = end - 1;

			if end == PROTOBUF_MAX_TAG {
				write!(output_str, "{start} to max").unwrap();
			} else {
				write!(output_str, "{start} to {end}").unwrap();
			}
		}

		if i != ranges.len() - 1 {
			output_str.push_str(", ");
		}
	}

	output_str.push(';');

	Some(output_str)
}

pub(crate) fn render_reserved_names(names: &[FixedStr]) -> Option<String> {
	if names.is_empty() {
		return None;
	}

	let mut output_str = "reserved ".to_string();

	for (i, name) in names.iter().enumerate() {
		write!(output_str, "\"{name}\"").unwrap();

		if i != names.len() - 1 {
			output_str.push_str(", ");
		}
	}

	output_str.push(';');

	Some(output_str)
}