/// Whether to render a sign sigil.
////// - `OnlyMinus`: print a leading `-` for negative numbers, and nothing in particular for
/// positive (default)
/// - `PlusAndMinus`: print a leading `+` for positive numbers
#[derive(Clone, Copy, PartialEq, Eq, Debug)]pubenumSign{
PlusAndMinus,
OnlyMinus,}implDefault forSign{#[inline]fndefault()->Self{Self::OnlyMinus
}}