cmackenzie1 · May 16, 2025 17:17 · May 16, 2025 · May 16, 2025 · May 16, 2025 · May 16, 2025
diff --git a/stdout b/stdout
@@ -0,0 +1,3 @@
+Message { payload: [104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100] }
+{"payload":"aGVsbG8gd29ybGQ="}
+Message { payload: [104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100] }
diff --git a/Cargo.toml b/Cargo.toml
@@ -0,0 +1,4 @@
+[dependencies]
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+base64 = "0.22"
diff --git a/mod.rs b/mod.rs
@@ -1,7 +1,3 @@
-// Cargo.toml
-// [dependencies]
-// base64 = "0.22"
-
 mod base64 {
     use base64::prelude::*;
     use serde::{Deserialize, Serialize};
@@ -18,4 +14,20 @@ mod base64 {
             .decode(base64.as_bytes())
             .map_err(serde::de::Error::custom)
     }
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct Message {
+    #[serde(with = "base64")]
+    pub payload: Vec<u8>,
+}
+
+fn main() {
+    let a = Message { payload: b"hello world".into() };
+    println!("{:?}", a);
+    let a_json = serde_json::to_string(&a).unwrap();
+    println!("{}", a_json);
+    let b: Message = serde_json::from_str(&a_json).unwrap();
+    println!("{:?}", b);
+    assert_eq!(a.payload, b.payload);
 }
diff --git a/mod.rs b/mod.rs
@@ -0,0 +1,21 @@
+// Cargo.toml
+// [dependencies]
+// base64 = "0.22"
+
+mod base64 {
+    use base64::prelude::*;
+    use serde::{Deserialize, Serialize};
+    use serde::{Deserializer, Serializer};
+
+    pub fn serialize<S: Serializer>(v: &Vec<u8>, s: S) -> Result<S::Ok, S::Error> {
+        let base64 = BASE64_STANDARD.encode(v);
+        String::serialize(&base64, s)
+    }
+
+    pub fn deserialize<'de, D: Deserializer<'de>>(d: D) -> Result<Vec<u8>, D::Error> {
+        let base64 = String::deserialize(d)?;
+        BASE64_STANDARD
+            .decode(base64.as_bytes())
+            .map_err(serde::de::Error::custom)
+    }
+}