pub trait CheckedAddWithExtra<Rhs = Self, Extra = ()> {
type Output;
// Required method
fn checked_add_with_extra(
self,
rhs: Rhs,
extra: Extra,
) -> Option<Self::Output>;
}
pub trait CheckedAddWithExtra<Rhs = Self, Extra = ()> {
type Output;
// Required method
fn checked_add_with_extra(
self,
rhs: Rhs,
extra: Extra,
) -> Option<Self::Output>;
}