ex3_node_error/
internal.rs

1use std::fmt;
2
3use thiserror::Error;
4
5use crate::{
6    def_error_base_on_kind, impl_error_conversion_with_adaptor, impl_error_conversion_with_kind,
7};
8
9/// An error with no reason.
10#[derive(Error, Debug, Clone, Copy)]
11#[error("no reason is provided")]
12pub struct SilentError;
13
14/// An error with only a string as the reason.
15#[derive(Error, Debug, Clone)]
16#[error("{0}")]
17pub struct OtherError(String);
18
19#[derive(Debug, PartialEq, Eq, Clone, Copy)]
20pub enum InternalErrorKind {
21    /// Persistent data had corrupted
22    DataCorrupted,
23
24    /// Error occurs during database operations
25    Database,
26
27    /// Unknown system error
28    System,
29
30    /// The feature is disabled or is conflicted with the configuration
31    Config,
32
33    /// Canister access error
34    Canister,
35
36    /// Other system error
37    Other,
38}
39
40def_error_base_on_kind!(InternalError, InternalErrorKind, "Internal error.");
41impl_error_conversion_with_kind!(InternalError, crate::ErrorKind::Internal, crate::Error);
42
43impl_error_conversion_with_kind!(OtherError, InternalErrorKind::Other, InternalError);
44impl_error_conversion_with_adaptor!(OtherError, InternalError, crate::Error);
45
46impl OtherError {
47    /// Creates an error with only a string as the reason.
48    pub fn new<T>(reason: T) -> Self
49    where
50        T: fmt::Display,
51    {
52        Self(reason.to_string())
53    }
54}
ex3_node_error/internal.rs

ex3_node_error/
internal.rs
