Enum EmptyPosture 

pub enum EmptyPosture {
    Allowed,
    Refusal,
}

Whether a relation with no row remains lawful.

Variants

Allowed

An empty relation remains lawful.

Refusal

At least one relation row is required.

Implementations

impl EmptyPosture

pub const fn requirement( self, ) -> Option<StructuralRequirement<OccupancyStanding>>

The occupancy requirement expressed by this posture, when it constrains occupancy.

impl EmptyPosture

pub const ALL: &'static [Self]

The complete roster, in declaration order.

pub const fn name(self) -> &'static str

This row’s declared name.

Trait Implementations

impl Clone for EmptyPosture

fn clone(&self) -> EmptyPosture

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for EmptyPosture

impl Debug for EmptyPosture

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

Formats the value using the given formatter.

impl Eq for EmptyPosture

impl Hash for EmptyPosture

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for EmptyPosture

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for EmptyPosture