From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Mon, 12 Feb 2024 12:23:22 +0000 (+0000)
Subject: demo
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=2340e5e7c8c670e5668d5f1d21d59e09de6afe44;p=rust-experiments.git

demo
---

diff --git a/src/main.rs b/src/main.rs
index 092fc9f..9e6ca48 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,9 +2,18 @@ use educe::Educe;
 
 #[derive(Educe)]
 #[educe(Clone)]
-pub struct Outer<T>(Option<T>);
+pub struct Manual<T> {
+    #[educe(Clone(method = "our_clone"))]
+    field: Option<T>,
+}
+
+fn our_clone<T>(_input: &Option<T>) -> Option<T> {
+    None
+}
 
 fn main() {
-    let a = Outer(Some(42));
+    let a = Manual {
+        field: Some(42),
+    };
     let _ = a.clone();
 }