Enum Narrow 

pub enum Narrow {
    Same,
    Into(u32),
}

How a child’s scope relates to its parent’s.

There is no “widen” variant, and that absence is the whole safety argument.

Variants

Same

Same scope as the parent.

Into(u32)

The parent’s scope, extended by one segment.

Trait Implementations

impl Clone for Narrow

fn clone(&self) -> Narrow

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Narrow

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for Narrow

fn eq(&self, other: &Narrow) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for Narrow

impl Eq for Narrow

impl StructuralPartialEq for Narrow