const FACTORS_VOWELS: &[(u32, &str)] = &[(3, "i"), (5, "a"), (7, "o")];

const FACTORS_VOWELS: [(u32, char); 3] = [(3, 'i'), (5, 'a'), (7, 'o')];

const MAX_STRING_LENGTH: usize =
	(PREFIX.len() + FACTORS_VOWELS[0].1.len() + SUFFIX.len()) * FACTORS_VOWELS.len();

const MAX_STRING_LENGTH: usize = (PREFIX.len() + 1 + SUFFIX.len()) * FACTORS_VOWELS.len();

	// Check that the assumption that MAX_STRING_LENGTH is equal to the length of constructing the largest output holds.
	debug_assert!(
		FACTORS_VOWELS
			.iter()
			.map(|tuple| PREFIX.len() + tuple.1.len() + SUFFIX.len())
			.sum::<usize>()
			.eq(&MAX_STRING_LENGTH),
		"MAX_STRING_LENGTH is not equal to the length of the largest constructible output."
	);

	FACTORS_VOWELS.iter().for_each(|(factor, vowel)| {

	FACTORS_VOWELS.iter().for_each(|&(factor, vowel)| {

			out.push_str(vowel);

			out.push(vowel);