Implement Default for OsRng

rust-random · Apr 6, 2019 · f84dccb · f84dccb
1 parent b83a4c5
commit f84dccb
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/rand_os/src/lib.rs b/rand_os/src/lib.rs
@@ -55,7 +55,7 @@ use rand_core::{CryptoRng, RngCore, Error, ErrorKind, impls};
 /// ```
 ///
 /// [getrandom]: https://crates.io/crates/getrandom
-#[derive(Clone, Copy, Debug)]
+#[derive(Clone, Copy, Debug, Default)]
 pub struct OsRng;
 
 impl OsRng {
@@ -100,3 +100,9 @@ fn test_os_rng() {
     assert!(x != 0);
     assert!(x != y);
 }
+
+#[test]
+fn test_construction() {
+    let mut rng = OsRng::default();
+    assert!(rng.next_u64() != 0);
+}
diff --git a/src/rngs/os.rs b/src/rngs/os.rs
@@ -31,7 +31,7 @@ use rand_core::{CryptoRng, RngCore, Error, ErrorKind, impls};
 /// ```
 ///
 /// [getrandom]: https://crates.io/crates/getrandom
-#[derive(Clone, Copy, Debug)]
+#[derive(Clone, Copy, Debug, Default)]
 pub struct OsRng;
 
 impl OsRng {