66 lines
1.6 KiB
Rust
66 lines
1.6 KiB
Rust
use std::fmt::Display;
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#[derive(Debug)]
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pub struct OptDynErr(Option<Box<dyn std::error::Error + Send + Sync>>);
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impl AsRef<dyn snafu::Error> for OptDynErr {
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fn as_ref(&self) -> &(dyn snafu::Error + 'static) {
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self
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}
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}
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impl OptDynErr {
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pub fn some_boxed<E: std::error::Error + Send + Sync + 'static>(e: E) -> Self {
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Self(Some(Box::new(e)))
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}
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pub fn some(e: Box<dyn std::error::Error + Send + Sync>) -> Self {
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Self(Some(e))
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}
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pub fn none() -> Self {
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Self(None)
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}
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}
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impl Display for OptDynErr {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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match &self.0 {
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Some(e) => e.fmt(f),
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None => write!(f, "None"),
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}
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}
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}
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impl snafu::Error for OptDynErr {
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fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
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None
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}
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fn cause(&self) -> Option<&dyn std::error::Error> {
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self.source()
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}
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}
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impl From<Option<Box<dyn std::error::Error + Send + Sync>>> for OptDynErr {
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fn from(value: Option<Box<dyn std::error::Error + Send + Sync>>) -> Self {
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Self(value)
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}
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}
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impl From<Box<dyn std::error::Error + Send + Sync>> for OptDynErr {
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fn from(value: Box<dyn std::error::Error + Send + Sync>) -> Self {
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Self::some(value)
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}
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}
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pub trait AnyhowResultExt<T>: snafu::ResultExt<T, anyhow::Error> {
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fn to_dyn_boxed(self) -> Result<T, Box<dyn std::error::Error + Send + Sync>>;
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}
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impl<T> AnyhowResultExt<T> for Result<T, anyhow::Error> {
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fn to_dyn_boxed(self) -> Result<T, Box<dyn std::error::Error + Send + Sync>> {
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self.map_err(|e| e.into())
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}
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}
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