| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| //! Shared property value abstractions for builders. |
| |
| use crate::types::Cardinality; |
| |
| #[doc(hidden)] |
| pub(crate) mod sealed { |
| pub trait Sealed<Target> {} |
| } |
| |
| /// A value that can be written into a GraphAr property. |
| /// |
| /// This trait is sealed and cannot be implemented outside this crate. |
| pub trait PropertyValue<Target>: sealed::Sealed<Target> { |
| /// Add this value as a property on the given target. |
| fn add_to(self, target: &mut Target, name: &str); |
| /// Add this value as a property on the given target with the specified cardinality. |
| fn add_to_with_cardinality(self, target: &mut Target, name: &str, cardinality: Cardinality); |
| } |