grid_sdk/protocol/errors.rs
1// Copyright 2019 Cargill Incorporated
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15//! Provides error definitions encountered when building an object
16
17#[derive(Debug)]
18pub enum BuilderError {
19 MissingField(String),
20}
21
22impl std::fmt::Display for BuilderError {
23 fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
24 match *self {
25 BuilderError::MissingField(ref s) => write!(f, "MissingField: {}", s),
26 }
27 }
28}
29
30impl std::error::Error for BuilderError {
31 fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
32 match self {
33 BuilderError::MissingField(_) => None,
34 }
35 }
36}