1 files changed, 28 insertions, 0 deletions
diff --git a/vendor/cxx/src/exception.rs b/vendor/cxx/src/exception.rs
new file mode 100644
index 000000000..259b27d4d
--- /dev/null
+++ b/vendor/cxx/src/exception.rs
@@ -0,0 +1,28 @@
+#![cfg(feature = "alloc")]
+
+use alloc::boxed::Box;
+use core::fmt::{self, Display};
+
+/// Exception thrown from an `extern "C++"` function.
+#[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
+#[derive(Debug)]
+pub struct Exception {
+    pub(crate) what: Box<str>,
+}
+
+impl Display for Exception {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        f.write_str(&self.what)
+    }
+}
+
+#[cfg(feature = "std")]
+#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
+impl std::error::Error for Exception {}
+
+impl Exception {
+    #[allow(missing_docs)]
+    pub fn what(&self) -> &str {
+        &self.what
+    }
+}