Enum Requirement 

pub enum Requirement {
    Advisory,
    DecisionRequired,
    Required,
}

How much one precondition weighs.

Variants

Advisory

Worth reporting and never worth stopping for.

DecisionRequired

The operator decides, and the plan waits until they have.

Required

The apply is unsafe until this holds.

Trait Implementations

impl Clone for Requirement

fn clone(&self) -> Requirement

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Requirement

impl Debug for Requirement

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Requirement

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for Requirement

impl PartialEq for Requirement

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for Requirement

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Requirement