Vendor dependencies

Let's see how I like this workflow.

vendor/rand/benches/misc.rs

@@ -0,0 +1,62 @@
+#![feature(test)]
+
+extern crate test;
+extern crate rand;
+
+use test::{black_box, Bencher};
+
+use rand::{Rng, weak_rng};
+use rand::seq::*;
+
+#[bench]
+fn misc_shuffle_100(b: &mut Bencher) {
+    let mut rng = weak_rng();
+    let x : &mut [usize] = &mut [1; 100];
+    b.iter(|| {
+        rng.shuffle(x);
+        black_box(&x);
+    })
+}
+
+#[bench]
+fn misc_sample_iter_10_of_100(b: &mut Bencher) {
+    let mut rng = weak_rng();
+    let x : &[usize] = &[1; 100];
+    b.iter(|| {
+        black_box(sample_iter(&mut rng, x, 10).unwrap_or_else(|e| e));
+    })
+}
+
+#[bench]
+fn misc_sample_slice_10_of_100(b: &mut Bencher) {
+    let mut rng = weak_rng();
+    let x : &[usize] = &[1; 100];
+    b.iter(|| {
+        black_box(sample_slice(&mut rng, x, 10));
+    })
+}
+
+#[bench]
+fn misc_sample_slice_ref_10_of_100(b: &mut Bencher) {
+    let mut rng = weak_rng();
+    let x : &[usize] = &[1; 100];
+    b.iter(|| {
+        black_box(sample_slice_ref(&mut rng, x, 10));
+    })
+}
+
+macro_rules! sample_indices {
+    ($name:ident, $amount:expr, $length:expr) => {
+        #[bench]
+        fn $name(b: &mut Bencher) {
+            let mut rng = weak_rng();
+            b.iter(|| {
+                black_box(sample_indices(&mut rng, $length, $amount));
+            })
+        }
+    }
+}
+
+sample_indices!(misc_sample_indices_10_of_1k, 10, 1000);
+sample_indices!(misc_sample_indices_50_of_1k, 50, 1000);
+sample_indices!(misc_sample_indices_100_of_1k, 100, 1000);