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use std::fmt;
#[derive(Debug)]
pub enum Error {
KeyNotFound(String),
BadFormat(String),
SerializeError(String)
}
impl std::error::Error for Error { }
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match &*self {
Error::KeyNotFound(s) => {
write!(f, "Parameter '{}' not found", s)
}
Error::BadFormat(s) => {
write!(f, "Bad format; {}", s)
}
Error::SerializeError(s) => {
write!(f, "Unable to serialize; {}", s)
}
}
}
}