From 41e1fdff88f55cac1d61b968d0baaed4a48009e7 Mon Sep 17 00:00:00 2001
From: Martin Fischer <martin@push-f.com>
Date: Fri, 26 Nov 2021 11:20:10 +0100
Subject: doc: use more educative example for #[convert]

---
 README.md      | 6 +++---
 tests/tests.rs | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 6067520..d39bd8e 100644
--- a/README.md
+++ b/README.md
@@ -180,7 +180,7 @@ with a dynamized supertrait, you have to tell dynamize about it with the
 ```rust ignore
 #[dynamize::dynamize]
 trait Client {
-    type Error: Into<SuperError>;
+    type Error: std::error::Error;
 
     fn get(&self, url: String) -> Result<Vec<u8>, Self::Error>;
 }
@@ -188,7 +188,7 @@ trait Client {
 #[dynamize::dynamize]
 #[dynamized(Client)]
 trait ClientWithCache: Client {
-    type Error: Into<SuperError>;
+    type Error: std::error::Error;
 
     fn get_with_cache<C: Cache>(
         &self,
@@ -208,7 +208,7 @@ second trait to:
 ```rust ignore
 #[dynamize::dynamize]
 #[dynamized(Client)]
-#[convert = |x: <Self as Client>::Error| -> SuperError {x.into()}]
+#[convert = |x: <Self as Client>::Error| -> Box<dyn std::error::Error + '_> {Box::new(x) as _}]
 trait ClientWithCache: Client {
     fn get_with_cache<C: Cache>(
         &self,
diff --git a/tests/tests.rs b/tests/tests.rs
index aa5e996..41ed98c 100644
--- a/tests/tests.rs
+++ b/tests/tests.rs
@@ -306,13 +306,13 @@ struct SuperError;
 trait Cache {}
 #[dynamize::dynamize]
 trait Client {
-    type Error: Into<SuperError>;
+    type Error: std::error::Error;
 
     fn get(&self, url: String) -> Result<Vec<u8>, Self::Error>;
 }
 #[dynamize::dynamize]
 #[dynamized(Client)]
-#[convert = |x: <Self as Client>::Error| -> SuperError {x.into()}]
+#[convert = |x: <Self as Client>::Error| -> Box<dyn std::error::Error + '_> {Box::new(x) as _}]
 trait ClientWithCache: Client {
     fn get_with_cache<C: Cache>(
         &self,
-- 
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