snapshot of https://github.com/ent/ent.git (master, 2026-09-15; blobs > 131072B omitted)

examples/start/ent/schema/car.go

@@ -0,0 +1,38 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+package schema
+
+import (
+	"entgo.io/ent"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+)
+
+// Car holds the schema definition for the Car entity.
+type Car struct {
+	ent.Schema
+}
+
+// Fields of the Car.
+func (Car) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("model"),
+		field.Time("registered_at"),
+	}
+}
+
+// Edges of the Car.
+func (Car) Edges() []ent.Edge {
+	return []ent.Edge{
+		// create an inverse-edge called "owner" of type `User`
+		// and reference it to the "cars" edge (in User schema)
+		// explicitly using the `Ref` method.
+		edge.From("owner", User.Type).
+			Ref("cars").
+			// setting the edge to unique, ensure
+			// that a car can have only one owner.
+			Unique(),
+	}
+}