pub fn stringify<'a, I, K, V>(env: I) -> Stringwhere I: IntoIterator<Item = (&'a K, &'a V)>, K: AsRef<str> + ?Sized + 'a, V: AsRef<str> + ?Sized + 'a,
Serialize pairs as dotenv text, one KEY=value per line, quoting values so that parse reads them back unchanged.
KEY=value
parse