From 66621bb8c71f38b06db240df55ddfddda7050326 Mon Sep 17 00:00:00 2001
From: Joe Ardent <code@ardent.nebcorp.com>
Date: Tue, 24 Jun 2025 20:35:58 -0700
Subject: [PATCH] add tryfrom impls from uuid

---
 Cargo.toml  |  2 +-
 src/uuid.rs | 25 +++++++++++++++++++++++--
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 33cefe6..ec99a1b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,7 +41,7 @@ uuid = { version = "1.17", default-features = false, optional = true }
 
 [dev-dependencies]
 divan = "0.1"
-uuid = { version = "1", default-features = false, features = ["v7"] }
+uuid = { version = "1", default-features = false, features = ["v7", "v4"] }
 julid-rs = { path = ".", features = ["uuid"] }
 
 [[bench]]
diff --git a/src/uuid.rs b/src/uuid.rs
index 78f396d..99ac09d 100644
--- a/src/uuid.rs
+++ b/src/uuid.rs
@@ -44,7 +44,21 @@ impl Julid {
     }
 }
 
-#[derive(Debug)]
+impl From<Julid> for Uuid {
+    fn from(value: Julid) -> Self {
+        value.as_uuid()
+    }
+}
+
+impl TryFrom<Uuid> for Julid {
+    type Error = UuidError;
+
+    fn try_from(value: Uuid) -> Result<Self, Self::Error> {
+        Julid::from_uuid(value)
+    }
+}
+
+#[derive(Debug, Clone, Copy, PartialEq)]
 pub enum UuidError {
     UnsupportedVersion(usize),
     UnsupportedVariant(uuid::Variant),
@@ -64,7 +78,7 @@ impl fmt::Display for UuidError {
 
 #[cfg(test)]
 mod test {
-    use crate::Julid;
+    use crate::{uuid::UuidError, Julid};
 
     #[test]
     fn into_uuid() {
@@ -91,4 +105,11 @@ mod test {
         assert_eq!(ju1, ju2);
         assert_eq!(u1, u2);
     }
+
+    #[test]
+    fn cant_even_from_uuid() {
+        let u = uuid::Uuid::new_v4();
+        let jr: Result<Julid, UuidError> = u.try_into();
+        assert_eq!(jr, Err(UuidError::UnsupportedVersion(4)));
+    }
 }