24 lines
604 B
Rust
24 lines
604 B
Rust
|
use std::error;
|
||
|
|
use std::fmt;
|
||
|
|
|
||
|
|
#[derive(Debug, PartialEq)]
|
||
|
|
pub enum EnvError {
|
||
|
|
MissingVariable(String),
|
||
|
|
FailedToParse(String),
|
||
|
|
}
|
||
|
|
|
||
|
|
impl fmt::Display for EnvError {
|
||
|
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||
|
|
match &self {
|
||
|
|
EnvError::MissingVariable(env_name) => {
|
||
|
|
write!(f, r#"Environment variable "{}" is missing"#, env_name)
|
||
|
|
}
|
||
|
|
EnvError::FailedToParse(env_name) => {
|
||
|
|
write!(f, r#"Failed to parse environment variable "{}""#, env_name)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
impl error::Error for EnvError {}
|