Enum Relation 

pub enum Relation {
    Less,
    Equal,
    Greater,
    Unordered,
}

The outcome of an ordered comparison: which of the three mutually exclusive relations holds.

Named rather than three bools, because exactly one is true and a bool triple makes the impossible states representable.

Variants

Less

fs < ft.

Equal

fs == ft.

Greater

fs > ft.

Unordered

At least one operand is a NaN, so no ordering exists.

Trait Implementations

impl Clone for Relation

fn clone(&self) -> Relation

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Relation

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Relation

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for Relation

fn eq(&self, other: &Relation) -> 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 Serialize for Relation

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Copy for Relation

impl Eq for Relation

impl StructuralPartialEq for Relation