From 88eda40e7ed935eceec507ede2f01db11e5fd9fc Mon Sep 17 00:00:00 2001
From: Sho Nakatani <lay.sakura@gmail.com>
Date: Wed, 17 May 2023 09:00:51 +0900
Subject: [PATCH] refactor: add RUST_CODER_PREFIX

---
 sdks/rust/src/coders/register_coders/mod.rs | 6 +++---
 sdks/rust/src/coders/urns.rs                | 4 +++-
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/sdks/rust/src/coders/register_coders/mod.rs b/sdks/rust/src/coders/register_coders/mod.rs
index 8082e4accbac9..b8eecaa0b62bd 100644
--- a/sdks/rust/src/coders/register_coders/mod.rs
+++ b/sdks/rust/src/coders/register_coders/mod.rs
@@ -16,16 +16,16 @@
 ///    // ...
 /// }
 /// ```
-/// 
+///
 /// # Related doc
-/// 
+///
 /// [Design doc: Custom Coders for the Beam Rust SDK](https://docs.google.com/document/d/1tUb8EoajRkxLW3mrJZzx6xxGhoiUSRKwVuT2uxjAeIU/edit#heading=h.mgr8mrx81tnc)
 #[macro_export]
 macro_rules! register_coders {
     ($($coder:ident),*) => {
         $(
             impl $crate::coders::CoderUrn for $coder {
-                const URN: &'static str = concat!("beam:coder:rustsdk:1.0:", stringify!($coder));
+                const URN: &'static str = concat!(stringify!($crate::coders::urns::RUST_CODER_PREFIX), stringify!($coder));
             }
         )*
 
diff --git a/sdks/rust/src/coders/urns.rs b/sdks/rust/src/coders/urns.rs
index d7fac0b862a76..af99140c8aa5c 100644
--- a/sdks/rust/src/coders/urns.rs
+++ b/sdks/rust/src/coders/urns.rs
@@ -26,4 +26,6 @@ pub const STR_UTF8_CODER_URN: &str = "beam:coder:string_utf8:v1";
 pub const VARINT_CODER_URN: &str = "beam:coder:varint:v1";
 
 // ******* Rust coders *******
-pub const GENERAL_OBJECT_CODER_URN: &str = "beam:coder:genericobjectjs:v1";
+pub const RUST_CODER_PREFIX: &str = "beam:coder:rustsdk:1.0:";
+pub const GENERAL_OBJECT_CODER_URN: &str =
+    concat!(stringify!(RUST_CODER_PREFIX), "genericobject:v1");