Keep internal modules private, but re-export under fuzzing feature flag

src/fuzzing/mod.rs

@@ -6,3 +6,27 @@
 //! Utilities for fuzzing.
 
 pub mod func;
+
+// Re-exports for fuzz targets.
+
+pub mod domtree {
+    pub use crate::domtree::*;
+}
+pub mod postorder {
+    pub use crate::postorder::*;
+}
+pub mod moves {
+    pub use crate::moves::*;
+}
+pub mod cfg {
+    pub use crate::cfg::*;
+}
+pub mod ssa {
+    pub use crate::ssa::*;
+}
+pub mod ion {
+    pub use crate::ion::*;
+}
+pub mod checker {
+    pub use crate::checker::*;
+}

src/lib.rs

@@ -12,16 +12,16 @@
 
 #![allow(dead_code)]
 
-pub mod bitvec;
-pub mod cfg;
-pub mod domtree;
-pub mod ion;
-pub mod moves;
-pub mod postorder;
-pub mod ssa;
+pub(crate) mod bitvec;
+pub(crate) mod cfg;
+pub(crate) mod domtree;
+pub(crate) mod ion;
+pub(crate) mod moves;
+pub(crate) mod postorder;
+pub(crate) mod ssa;
 
 #[macro_use]
-pub mod index;
+mod index;
 pub use index::{Block, Inst, InstRange, InstRangeIter};
 
 pub mod checker;