chore: add vendor dependencies for kauma build

vendor/anyhow/src/wrapper.rs

@@ -0,0 +1,84 @@
+use crate::StdError;
+use core::fmt::{self, Debug, Display};
+
+#[cfg(any(feature = "std", not(anyhow_no_core_error)))]
+use alloc::boxed::Box;
+
+#[cfg(error_generic_member_access)]
+use core::error::Request;
+
+#[repr(transparent)]
+pub struct MessageError<M>(pub M);
+
+impl<M> Debug for MessageError<M>
+where
+    M: Display + Debug,
+{
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        Debug::fmt(&self.0, f)
+    }
+}
+
+impl<M> Display for MessageError<M>
+where
+    M: Display + Debug,
+{
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        Display::fmt(&self.0, f)
+    }
+}
+
+impl<M> StdError for MessageError<M> where M: Display + Debug + 'static {}
+
+#[repr(transparent)]
+pub struct DisplayError<M>(pub M);
+
+impl<M> Debug for DisplayError<M>
+where
+    M: Display,
+{
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        Display::fmt(&self.0, f)
+    }
+}
+
+impl<M> Display for DisplayError<M>
+where
+    M: Display,
+{
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        Display::fmt(&self.0, f)
+    }
+}
+
+impl<M> StdError for DisplayError<M> where M: Display + 'static {}
+
+#[cfg(any(feature = "std", not(anyhow_no_core_error)))]
+#[repr(transparent)]
+pub struct BoxedError(pub Box<dyn StdError + Send + Sync>);
+
+#[cfg(any(feature = "std", not(anyhow_no_core_error)))]
+impl Debug for BoxedError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        Debug::fmt(&self.0, f)
+    }
+}
+
+#[cfg(any(feature = "std", not(anyhow_no_core_error)))]
+impl Display for BoxedError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        Display::fmt(&self.0, f)
+    }
+}
+
+#[cfg(any(feature = "std", not(anyhow_no_core_error)))]
+impl StdError for BoxedError {
+    fn source(&self) -> Option<&(dyn StdError + 'static)> {
+        self.0.source()
+    }
+
+    #[cfg(error_generic_member_access)]
+    fn provide<'a>(&'a self, request: &mut Request<'a>) {
+        self.0.provide(request);
+    }
+}