40 lines
706 B
Rust
40 lines
706 B
Rust
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use std::{error::Error, fmt};
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#[derive(Debug)]
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pub struct MTTError {
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detail: String,
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}
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impl MTTError {
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fn new(detail: &str) -> Self {
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Self {
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detail: detail.to_string(),
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}
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}
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}
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impl fmt::Display for MTTError {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "{}", self.detail)
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}
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}
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impl Error for MTTError {}
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#[cfg(test)]
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mod errors {
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use super::*;
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#[test]
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fn new_error() {
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let detail = "new error";
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let err = MTTError::new(detail);
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assert!(
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err.to_string() == detail,
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"\n\nGot: {}\nWant: {}\n\n",
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err.to_string(),
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detail
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);
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}
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}
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