tiny_std/
error.rs

1use core::fmt::{Debug, Display, Formatter};
2
3use rusl::error::Errno;
4
5pub type Result<T> = core::result::Result<T, Error>;
6
7#[derive(Copy, Clone)]
8pub enum Error {
9    Uncategorized(&'static str),
10    Timeout,
11    Os { msg: &'static str, code: Errno },
12}
13
14impl Error {
15    #[inline]
16    pub(crate) const fn no_code(msg: &'static str) -> Self {
17        Self::Uncategorized(msg)
18    }
19
20    #[inline]
21    pub(crate) const fn os(msg: &'static str, code: Errno) -> Self {
22        Self::Os { msg, code }
23    }
24
25    #[inline]
26    #[must_use]
27    pub fn matches_errno(&self, errno: Errno) -> bool {
28        if let Self::Os { code, .. } = self {
29            *code == errno
30        } else {
31            false
32        }
33    }
34}
35
36impl From<rusl::Error> for Error {
37    fn from(e: rusl::Error) -> Self {
38        if let Some(code) = e.code {
39            Self::Os { msg: e.msg, code }
40        } else {
41            Self::Uncategorized(e.msg)
42        }
43    }
44}
45
46impl Debug for Error {
47    fn fmt(&self, f: &mut Formatter<'_>) -> core::fmt::Result {
48        Display::fmt(self, f)
49    }
50}
51
52impl Display for Error {
53    fn fmt(&self, f: &mut Formatter<'_>) -> core::fmt::Result {
54        match self {
55            Error::Uncategorized(msg) => f.write_fmt(format_args!("Error: {msg}")),
56            Error::Os { msg, code } => {
57                f.write_fmt(format_args!("OsError {{ msg: `{msg}`, code: {code} }}"))
58            }
59            Error::Timeout => f.write_fmt(format_args!("Error: Timeout")),
60        }
61    }
62}
tiny_std/error.rs

tiny_std/
error.rs
