From e1fcca988a4d2ad6be09f618e11acf5f205c6468 Mon Sep 17 00:00:00 2001
From: John Howard <john.howard@solo.io>
Date: Wed, 27 Aug 2025 09:08:24 -0700
Subject: [PATCH] feat(model): add helpers to build enum from concrete values

This allows building functions like

```rust
fn stream(resp: impl Into<ServerResult>, req_id: RequestId) -> Result<Response, UpstreamError> {
	let rpc = ServerJsonRpcMessage::response(resp.into(), req_id);
```
---
 crates/rmcp/src/model.rs | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/crates/rmcp/src/model.rs b/crates/rmcp/src/model.rs
index d2cd43db..ba2c2a61 100644
--- a/crates/rmcp/src/model.rs
+++ b/crates/rmcp/src/model.rs
@@ -1471,6 +1471,14 @@ macro_rules! ts_union {
         pub enum $U {
             $($V($V),)*
         }
+
+        $(
+            impl From<$V> for $U {
+                fn from(value: $V) -> Self {
+                    $U::$V(value)
+                }
+            }
+        )*
     };
 }
 
@@ -1575,17 +1583,6 @@ impl TryInto<CancelledNotification> for ClientNotification {
         }
     }
 }
-impl From<CancelledNotification> for ServerNotification {
-    fn from(value: CancelledNotification) -> Self {
-        ServerNotification::CancelledNotification(value)
-    }
-}
-
-impl From<CancelledNotification> for ClientNotification {
-    fn from(value: CancelledNotification) -> Self {
-        ClientNotification::CancelledNotification(value)
-    }
-}
 
 // =============================================================================
 // TESTS