fuchsia_inspect_contrib/graph/
types.rs

1// Copyright 2024 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5use std::borrow::Cow;
6
7/// The ID of a vertex.
8pub trait VertexId {
9    /// Fetches the ID of a vertex, which must have a string representation.
10    fn get_id(&self) -> Cow<'_, str>;
11}
12
13impl<T: std::fmt::Display> VertexId for T {
14    fn get_id(&self) -> Cow<'_, str> {
15        Cow::Owned(format!("{self}"))
16    }
17}
18
19impl VertexId for str {
20    fn get_id(&self) -> Cow<'_, str> {
21        Cow::Borrowed(self)
22    }
23}