feat: add support for v7 UUIDs (#101)

Title. Adds support for a v7 UUID method, but I didn't really _test_
this, but I can!

---------

Co-authored-by: Rain <rain@oxide.computer>

Author: davidbarsky

Cargo.lock

@@ -31,7 +31,7 @@ syn = "2.0.104"
 test-strategy = "0.4.1"
 trybuild = "1.0"
 typify = "0.4.2"
-uuid = { version = "1.17.0", default-features = false }
+uuid = { version = "1.18.1", default-features = false }
 
 [workspace.lints.rust]
 unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] }

Cargo.toml

@@ -7,7 +7,7 @@ help:
     just --list
 
 excluded_features_default := "internal-schemars08-tests internal-proptest1-tests"
-excluded_features_no_std := "schemars08 serde default std alloc v4 proptest1"
+excluded_features_no_std := "schemars08 serde default std alloc v4 v7 proptest1"
 
 # Run `cargo hack --feature-powerset` on crates
 powerset *args:

Justfile

@@ -22,7 +22,7 @@ serde_tokenstream.workspace = true
 syn = { workspace = true, features = ["full"] }
 
 [dev-dependencies]
-newtype-uuid = { workspace = true, features = ["v4"] }
+newtype-uuid = { workspace = true, features = ["v4", "v7"] }
 serde = { workspace = true, features = ["derive"] }
 static_assertions.workspace = true
 

crates/newtype-uuid-macros/Cargo.toml

@@ -34,6 +34,7 @@ default = ["uuid/default", "std"]
 std = ["alloc", "uuid/std"]
 alloc = []
 v4 = ["uuid/v4"]
+v7 = ["uuid/v7"]
 serde = ["dep:serde", "uuid/serde"]
 schemars08 = ["dep:schemars", "dep:serde_json", "std"]
 proptest1 = ["dep:proptest"]

crates/newtype-uuid/Cargo.toml

@@ -166,6 +166,8 @@ use core::{
     marker::PhantomData,
     str::FromStr,
 };
+#[cfg(feature = "v7")]
+pub use uuid::Timestamp;
 use uuid::{Uuid, Version};
 
 /// A UUID with type-level information about what it's used for.
@@ -302,6 +304,14 @@ impl<T: TypedUuidKind> TypedUuid<T> {
         Self::from_untyped_uuid(Uuid::new_v4())
     }
 
+    /// Creates a new, random UUID v7 of this type.
+    #[inline]
+    #[cfg(feature = "v7")]
+    #[must_use]
+    pub fn new_v7(ts: uuid::Timestamp) -> Self {
+        Self::from_untyped_uuid(Uuid::new_v7(ts))
+    }
+
     /// Returns the version number of the UUID.
     ///
     /// This represents the algorithm used to generate the value.