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use std::error;
use std::fmt;
use std::convert;
pub struct GenericError {
pub msg: String,
}
pub type Result<T> = std::result::Result<T, GenericError>;
#[macro_export]
macro_rules! GenErr {
($arg:expr) => {
Err(
GenericError {
msg: String::from($arg),
}
)
};
($($args:expr),+) => {
Err(
GenericError {
msg: format!($($args),+),
}
)
};
}
impl fmt::Display for GenericError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", &self.msg)
}
}
impl fmt::Debug for GenericError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", &self.msg)
}
}
impl<T> convert::From<T> for GenericError where T: error::Error {
fn from(error: T) -> Self {
let desc = format!("{:?}", error);
GenericError {
msg: desc,
}
}
}