1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70
// Copyright 2020 Tetrate // // Licensed 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. //! The `Error` type and helpers. //! //! # Examples //! //! ``` //! # use envoy_sdk as envoy; //! use envoy::error::{bail, Result}; //! //! fn on_request() -> Result<()> { //! // ... //! bail!("unexpected state"); //! } //! ``` //! //! ``` //! # use envoy_sdk as envoy; //! use envoy::error::{ensure, Result}; //! //! fn on_request() -> Result<()> { //! # let body_len = 0; //! ensure!(body_len != 0, "request body must not be empty"); //! // ... //! # Ok(()) //! } //! ``` //! //! ``` //! # use envoy_sdk as envoy; //! use envoy::error::{format_err, Result}; //! //! fn on_request() -> Result<()> { //! # let method = ""; //! if method == "DELETE" { //! return Err(format_err!("{} method is not allowed", method)); //! } //! // ... //! # Ok(()) //! } //! ``` //! //! ``` //! # use envoy_sdk as envoy; //! use envoy::error::{ErrorContext, Result}; //! use envoy::host::Clock; //! //! fn on_request() -> Result<()> { //! # let instance_id = 123; //! let now = Clock::default().now() //! .with_context(|| format!("Failed to get time of the request {}", instance_id))?; //! // ... //! # Ok(()) //! } //! ``` pub use anyhow::{bail, ensure, format_err}; pub use anyhow::{Context as ErrorContext, Error, Result};