Enum PresenceRequirement 

pub enum PresenceRequirement {
    Absent(String),
    Present(String),
}

Server-local §8.2 condition carried from authorization to each plan. The ref name makes an AdvanceRefs constraint apply to its head only.

Variants

Absent(String)

c alone can create this ref only while it is absent.

Present(String)

f alone can replace this ref only while it is present.

Trait Implementations

impl Clone for PresenceRequirement

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PresenceRequirement

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

Formats the value using the given formatter.

impl Eq for PresenceRequirement

impl PartialEq for PresenceRequirement

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for PresenceRequirement