Merge pull request #33 from aleksanderkrauze/get_seed-feature

Implement `get_seed`

Author: taiki-e

src/lib.rs

@@ -427,6 +427,12 @@ impl Rng {
         self.0.set(seed);
     }
 
+    /// Gives back **current** seed that is being held by this generator.
+    #[inline]
+    pub fn get_seed(&self) -> u64 {
+        self.0.get()
+    }
+
     /// Shuffles a slice randomly.
     #[inline]
     pub fn shuffle<T>(&self, slice: &mut [T]) {
@@ -585,6 +591,12 @@ pub fn seed(seed: u64) {
     RNG.with(|rng| rng.seed(seed))
 }
 
+/// Gives back **current** seed that is being held by the thread-local generator.
+#[inline]
+pub fn get_seed() -> u64 {
+    RNG.with(|rng| rng.get_seed())
+}
+
 /// Generates a random `bool`.
 #[inline]
 pub fn bool() -> bool {