1use core::fmt;
2
3#[cfg(feature = "std")]
4use std::error;
5
6#[derive(PartialEq, Eq, Debug)]
8pub enum Error {
9 InvalidSize,
11 InvalidNull,
13 NonAscii,
15}
16
17impl fmt::Display for Error {
18 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
19 match self {
20 Error::InvalidSize => write!(f, "invalid size"),
21 Error::InvalidNull => write!(f, "string is empty"),
22 Error::NonAscii => write!(f, "contains non-ASCII"),
23 }
24 }
25}
26
27#[cfg(feature = "std")]
28impl error::Error for Error {}