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fix(protocol): implement source/cause for Box<dyn Diagnostic>

This commit is contained in:
Kat Marchán 2021-09-16 19:08:12 -07:00
parent 2c43740346
commit c3505fac26
1 changed files with 9 additions and 1 deletions
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10
src/protocol.rs
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@ -52,7 +52,15 @@ pub trait Diagnostic: std::error::Error {
} }
} }
impl std::error::Error for Box<dyn Diagnostic> {} impl std::error::Error for Box<dyn Diagnostic> {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
(**self).source()
}
fn cause(&self) -> Option<&dyn std::error::Error> {
self.source()
}
}
impl<T: Diagnostic + Send + Sync + 'static> From<T> impl<T: Diagnostic + Send + Sync + 'static> From<T>
for Box<dyn Diagnostic + Send + Sync + 'static> for Box<dyn Diagnostic + Send + Sync + 'static>