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/* * MIT License (MIT) * Copyright (c) 2019 Activeledger * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ //! # Key Error definitions use std::error::Error; use std::fmt; /// KeyResult definition - Shorthand for: Result<T, KeyError> pub type SSEResult<T> = Result<T, SSEError>; /// KeyError data holder #[derive(Debug)] pub enum SSEError { IncompatibleConfig, ContractNotSet, EventSource, } impl fmt::Display for SSEError { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { match *self { SSEError::IncompatibleConfig => { write!(f, "The config type is incompatible with this data") } SSEError::ContractNotSet => write!(f, "The Contract must be provided first"), SSEError::EventSource => write!(f, "There was an event source error"), } } } impl Error for SSEError {}