Apply cargo-fmt to internal module files

Author: kenkoooo

src/internal_bit.rs

@@ -0,0 +1 @@
+

src/internal_math.rs

@@ -0,0 +1 @@
+

src/internal_queue.rs

@@ -0,0 +1 @@
+

src/internal_scc.rs

@@ -0,0 +1 @@
+

src/internal_type_traits.rs

@@ -0,0 +1 @@
+