Create `BoxedError` type

1 files changed, 28 insertions, 1 deletions

diff --git a/talpid-types/src/lib.rs b/talpid-types/src/lib.rs
index 42a2dc4cf7..569bc94fb9 100644
--- a/talpid-types/src/lib.rs
+++ b/talpid-types/src/lib.rs
@@ -8,6 +8,8 @@
 
 #![deny(rust_2018_idioms)]
 
+use std::{error::Error, fmt};
+
 pub mod net;
 pub mod tunnel;
 
@@ -20,7 +22,7 @@ pub trait ErrorExt {
     fn display_chain_with_msg(&self, msg: &str) -> String;
 }
 
-impl<E: std::error::Error> ErrorExt for E {
+impl<E: Error> ErrorExt for E {
     fn display_chain(&self) -> String {
         let mut s = format!("Error: {}", self);
         let mut source = self.source();
@@ -41,3 +43,28 @@ impl<E: std::error::Error> ErrorExt for E {
         s
     }
 }
+
+#[derive(Debug)]
+pub struct BoxedError(Box<dyn Error>);
+
+impl fmt::Display for BoxedError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        self.0.fmt(f)
+    }
+}
+
+impl Error for BoxedError {
+    fn description(&self) -> &str {
+        self.0.description()
+    }
+
+    fn source(&self) -> Option<&(dyn Error + 'static)> {
+        self.0.source()
+    }
+}
+
+impl BoxedError {
+    pub fn new(error: impl Error + 'static) -> Self {
+        BoxedError(Box::new(error))
+    }
+}