Enum NamedConstraintKind 

pub enum NamedConstraintKind {
    Check,
    ForeignKey,
    Unique,
}

Variants

Check

ForeignKey

Unique

Trait Implementations

impl Clone for NamedConstraintKind

fn clone(&self) -> NamedConstraintKind

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for NamedConstraintKind

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

Formats the value using the given formatter.

impl PartialEq for NamedConstraintKind

fn eq(&self, other: &NamedConstraintKind) -> 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 NamedConstraintKind

impl Eq for NamedConstraintKind

impl StructuralPartialEq for NamedConstraintKind