move benchmark into benches folder

benches/bench.rs

@@ -0,0 +1,30 @@
+#![feature(test)]
+
+extern crate test;
+
+mod benches {
+    use bsp::Bsp;
+    use test::Bencher;
+
+    const MAP_BYTES: &[u8] = include_bytes!("../test.bsp");
+
+    #[bench]
+    fn from_bytes(b: &mut Bencher) {
+        use std::io::Cursor;
+
+        b.iter(|| {
+            Bsp::read(&mut Cursor::new(MAP_BYTES)).unwrap();
+        });
+    }
+
+    #[bench]
+    fn leaf_at(b: &mut Bencher) {
+        use std::io::Cursor;
+
+        let bsp = Bsp::read(&mut Cursor::new(MAP_BYTES)).unwrap();
+
+        b.iter(|| {
+            test::black_box(bsp.leaf_at(test::black_box([0., 0., 0.])));
+        });
+    }
+}

src/lib.rs

@@ -1,8 +1,3 @@
-#![cfg_attr(feature = "bench", feature(test))]
-
-#[cfg(feature = "bench")]
-extern crate test;
-
 use arrayvec::ArrayString;
 use bitflags::bitflags;
 use bv::BitVec;
@@ -1284,31 +1279,3 @@ mod tests {
         Bsp::read(&mut File::open("test.bsp").expect("Cannot open file")).unwrap();
     }
 }
-
-#[cfg(feature = "bench")]
-mod benches {
-    use super::Bsp;
-    use test::Bencher;
-
-    const MAP_BYTES: &[u8] = include_bytes!("../test.bsp");
-
-    #[bench]
-    fn from_bytes(b: &mut Bencher) {
-        use std::io::Cursor;
-
-        b.iter(|| {
-            Bsp::read(&mut Cursor::new(MAP_BYTES)).unwrap();
-        });
-    }
-
-    #[bench]
-    fn leaf_at(b: &mut Bencher) {
-        use std::io::Cursor;
-
-        let bsp = Bsp::read(&mut Cursor::new(MAP_BYTES)).unwrap();
-
-        b.iter(|| {
-            test::black_box(bsp.leaf_at(test::black_box([0., 0., 0.])));
-        });
-    }
-}