Enum Rule 

pub enum Rule {
    Same(Vec<Name>),
    Hold(Name),
    Said(Check),
}

Repository-level constraint attached to a Schema.

Variants

Same(Vec<Name>)

The named columns must hold equal values across related rows.

Hold(Name)

The named column keeps a reference shared by linked rows.

Said(Check)

A named checkbox constraint must hold.

Trait Implementations

impl Clone for Rule

fn clone(&self) -> Rule

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Rule

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

Formats the value using the given formatter.

impl PartialEq for Rule

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Rule