query.fields.OneRelation

struct query.fields.OneRelation

structoverload [source] ¶

structoverload [source] ¶

struct query.fields.OneRelation

A value-only handle for a to-one relation from From to To.

Relation expressions inspect only the already-loaded optional value on a candidate and never perform I/O.

Examples

use libtmux::query::OneRelation;
use libtmux::query::__private;

struct Parent;
struct Owner;
let relation: OneRelation<Parent, Owner> =
    __private::one_relation("parent", "owner");
assert!(format!("{relation:?}").contains("owner"));

Members

• is method Match when the related candidate exists and satisfies expression.