1 files changed, 60 insertions, 0 deletions
diff --git a/vendor/uuid/src/v4.rs b/vendor/uuid/src/v4.rs
new file mode 100644
index 000000000..0928dc75b
--- /dev/null
+++ b/vendor/uuid/src/v4.rs
@@ -0,0 +1,60 @@
+use crate::prelude::*;
+
+impl Uuid {
+    /// Creates a random UUID.
+    ///
+    /// This uses the [`getrandom`] crate to utilise the operating system's RNG
+    /// as the source of random numbers. If you'd like to use a custom
+    /// generator, don't use this method: generate random bytes using your
+    /// custom generator and pass them to the
+    /// [`uuid::Builder::from_bytes`][from_bytes] function instead.
+    ///
+    /// Note that usage of this method requires the `v4` feature of this crate
+    /// to be enabled.
+    ///
+    /// # Examples
+    ///
+    /// Basic usage:
+    ///
+    /// ```
+    /// use uuid::Uuid;
+    ///
+    /// let uuid = Uuid::new_v4();
+    /// ```
+    ///
+    /// [`getrandom`]: https://crates.io/crates/getrandom
+    /// [from_bytes]: struct.Builder.html#method.from_bytes
+    pub fn new_v4() -> Uuid {
+        let mut bytes = [0u8; 16];
+        getrandom::getrandom(&mut bytes).unwrap_or_else(|err| {
+            // NB: getrandom::Error has no source; this is adequate display
+            panic!("could not retreive random bytes for uuid: {}", err)
+        });
+
+        crate::Builder::from_bytes(bytes)
+            .set_variant(Variant::RFC4122)
+            .set_version(Version::Random)
+            .build()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::prelude::*;
+
+    #[test]
+    fn test_new() {
+        let uuid = Uuid::new_v4();
+
+        assert_eq!(uuid.get_version(), Some(Version::Random));
+        assert_eq!(uuid.get_variant(), Some(Variant::RFC4122));
+    }
+
+    #[test]
+    fn test_get_version() {
+        let uuid = Uuid::new_v4();
+
+        assert_eq!(uuid.get_version(), Some(Version::Random));
+        assert_eq!(uuid.get_version_num(), 4)
+    }
+}