/// A trait for types that behave like tuples, meaning they have a fixed number of elements of the
/// same type.
pubtraitTupleLike{/// The type of the elements in the tuple.
typeItem;/// The number of elements in the tuple.
constLEN:usize;/// Returns a slice of the elements in the tuple.
fnas_slice(&self)->&[Self::Item];/// Returns a mutable slice of the elements in the tuple.
fnas_mut_slice(&mutself)->&mut[Self::Item];}