Enum FocusConcept 

pub enum FocusConcept {
    Reference(ConceptReference),
    Wildcard,
    AltIdentifier(AltIdentifier),
    Nested(Box<ExpressionConstraint>),
}

eclfocusconcept, or a parenthesized nested constraint.

Variants

Reference(ConceptReference)

A concept reference.

Wildcard

*, any concept.

AltIdentifier(AltIdentifier)

An alternate identifier.

Nested(Box<ExpressionConstraint>)

( expressionconstraint ).

Trait Implementations

impl Clone for FocusConcept

fn clone(&self) -> FocusConcept

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FocusConcept

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

Formats the value using the given formatter.

impl Display for FocusConcept

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

Formats the value using the given formatter.

impl Eq for FocusConcept

impl Hash for FocusConcept

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for FocusConcept

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for FocusConcept