From e60b3021b027f6cf3338f17829b6c8149d9ba5a5 Mon Sep 17 00:00:00 2001
From: "Christoph J. Scherr" <Christoph.Scherr@newtec.de>
Date: Mon, 19 Feb 2024 15:37:50 +0100
Subject: [PATCH] repr enum serde

---
 Cargo.lock                          | 12 ++++++++++++
 Cargo.toml                          |  2 ++
 members/serde-json-demo/Cargo.toml  |  7 ++++---
 members/serde-json-demo/src/main.rs | 16 ++++++++++++++++
 4 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 0ab4f0a..2caa857 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1282,6 +1282,7 @@ dependencies = [
  "chrono",
  "serde",
  "serde_json",
+ "serde_repr",
 ]
 
 [[package]]
@@ -1306,6 +1307,17 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_repr"
+version = "0.1.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b2e6b945e9d3df726b65d6ee24060aff8e3533d431f677a9695db04eff9dfdb"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
 [[package]]
 name = "sha2"
 version = "0.10.8"
diff --git a/Cargo.toml b/Cargo.toml
index d596c26..061bb8e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -45,6 +45,8 @@ tokio = { version = "1.35.1", features = [
   "sync",
 ] }
 futures = { version = "0.3.30", features = ["executor"] }
+serde = { version = "1.0.171", features = ["derive"] }
+serde_json = "1.0.102"
 
 [package]
 name = "rs-basic"
diff --git a/members/serde-json-demo/Cargo.toml b/members/serde-json-demo/Cargo.toml
index 33ad066..0c9b92d 100644
--- a/members/serde-json-demo/Cargo.toml
+++ b/members/serde-json-demo/Cargo.toml
@@ -6,7 +6,8 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-anyhow = "1.0.79"
+anyhow.workspace = true
 chrono = { version = "0.4.26", features = ["serde"] }
-serde = { version = "1.0.171", features = ["derive"] }
-serde_json = "1.0.102"
+serde_json.workspace = true
+serde.workspace = true
+serde_repr = "0.1.18"
diff --git a/members/serde-json-demo/src/main.rs b/members/serde-json-demo/src/main.rs
index 930beef..b108056 100644
--- a/members/serde-json-demo/src/main.rs
+++ b/members/serde-json-demo/src/main.rs
@@ -26,6 +26,16 @@ enum Color {
     Red,
 }
 
+use serde_repr::{Serialize_repr, Deserialize_repr};
+
+#[derive(Serialize_repr, Deserialize_repr, Clone, Debug, PartialEq)]
+#[repr(u8)]
+enum CLike {
+    Amida = 1,
+    Yamda = 2,
+    Omaba = 10,
+}
+
 fn main() -> anyhow::Result<()> {
     let qux_source = r#"{
         "some Key": [1, 2, 3],
@@ -52,5 +62,11 @@ fn main() -> anyhow::Result<()> {
     dbg!(&color);
     let color_str = serde_json::to_string(&color)?;
     dbg!(&color_str);
+
+    let cl = CLike::Omaba;
+    let clrepr = serde_json::to_string(&cl)?;
+    dbg!(&clrepr);
+    let cl_from = serde_json::from_str(&clrepr)?;
+    dbg!(cl == cl_from);
     Ok(())
 }