api/models/tag.go

package models

// A Tag associates a story with other content, like other stories, logs and more.
type Tag struct {
	Kind TagKind `bson:"kind"`
	Name string  `bson:"name"`
}

// Equal returns true if the tags match one another.
func (tag *Tag) Equal(other Tag) bool {
	return tag.Kind == other.Kind && tag.Name == other.Name
}

// IsChangeObject is an interface implementation to identify it as a valid
// ChangeObject in GQL.
func (*Tag) IsChangeObject() {
	panic("this method is a dummy, and so is its caller")
}