Enum RelationPathStepFragment 

pub enum RelationPathStepFragment {
    EnterNamed {
        type: TypeSourceKey,
    },
    OptionalSome,
    RecordMember {
        record: TypeSourceKey,
        field: FieldSourceKey,
    },
    EnumVariantPayload {
        enum: TypeSourceKey,
        variant: TypeSourceKey,
    },
    ListItems,
    SetItems,
    MapValues,
}

One deterministic step below an entity-root relation field.

Variants

EnterNamed

Enter one accepted named record, enum, or transparent newtype.

Fields

type: TypeSourceKey

OptionalSome

Continue through a present optional value; NULL means no target.

RecordMember

Select one accepted member of an accepted record.

Fields

record: TypeSourceKey

Record declaration containing the member.

field: FieldSourceKey

Stable proposal key for the member.

EnumVariantPayload

Select one payload-bearing accepted enum variant.

Fields

enum: TypeSourceKey

Enum declaration containing the variant.

variant: TypeSourceKey

Stable proposal key for the variant.

ListItems

Traverse every item of an accepted ordered collection.

SetItems

Traverse every item of an accepted unique collection.

MapValues

Traverse every value of an accepted map in canonical key order.

Trait Implementations

impl Clone for RelationPathStepFragment

fn clone(&self) -> RelationPathStepFragment

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RelationPathStepFragment

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

Formats the value using the given formatter.

impl Eq for RelationPathStepFragment

impl PartialEq for RelationPathStepFragment

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for RelationPathStepFragment