diff --git a/nixide-sys/src/exts/expr.rs b/nixide-sys/src/exts/expr.rs
new file mode 100644
index 0000000..0d8c885
--- /dev/null
+++ b/nixide-sys/src/exts/expr.rs
@@ -0,0 +1,8 @@
+use std::fmt::{Debug, Display, Formatter, Result as FmtResult};
+
+impl Display for crate::ValueType {
+    #[inline]
+    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
+        Debug::fmt(self, f)
+    }
+}
diff --git a/nixide-sys/src/exts/fetchers.rs b/nixide-sys/src/exts/fetchers.rs
new file mode 100644
index 0000000..124fc40
--- /dev/null
+++ b/nixide-sys/src/exts/fetchers.rs
@@ -0,0 +1 @@
+use std::fmt::{Debug, Display, Formatter, Result as FmtResult};
diff --git a/nixide-sys/src/exts/flake.rs b/nixide-sys/src/exts/flake.rs
new file mode 100644
index 0000000..124fc40
--- /dev/null
+++ b/nixide-sys/src/exts/flake.rs
@@ -0,0 +1 @@
+use std::fmt::{Debug, Display, Formatter, Result as FmtResult};
diff --git a/nixide-sys/src/exts/main.rs b/nixide-sys/src/exts/main.rs
new file mode 100644
index 0000000..124fc40
--- /dev/null
+++ b/nixide-sys/src/exts/main.rs
@@ -0,0 +1 @@
+use std::fmt::{Debug, Display, Formatter, Result as FmtResult};
diff --git a/nixide-sys/src/exts/mod.rs b/nixide-sys/src/exts/mod.rs
new file mode 100644
index 0000000..9c4f5b6
--- /dev/null
+++ b/nixide-sys/src/exts/mod.rs
@@ -0,0 +1,31 @@
+#![allow(unused_imports)]
+
+#[cfg(feature = "nix-expr-c")]
+mod expr;
+#[cfg(feature = "nix-expr-c")]
+pub use expr::*;
+
+#[cfg(feature = "nix-fetchers-c")]
+mod fetchers;
+#[cfg(feature = "nix-fetchers-c")]
+pub use fetchers::*;
+
+#[cfg(feature = "nix-flake-c")]
+mod flake;
+#[cfg(feature = "nix-flake-c")]
+pub use flake::*;
+
+#[cfg(feature = "nix-main-c")]
+mod main;
+#[cfg(feature = "nix-main-c")]
+pub use main::*;
+
+#[cfg(feature = "nix-store-c")]
+mod store;
+#[cfg(feature = "nix-store-c")]
+pub use store::*;
+
+#[cfg(feature = "nix-util-c")]
+mod util;
+#[cfg(feature = "nix-util-c")]
+pub use util::*;
diff --git a/nixide-sys/src/exts/store.rs b/nixide-sys/src/exts/store.rs
new file mode 100644
index 0000000..124fc40
--- /dev/null
+++ b/nixide-sys/src/exts/store.rs
@@ -0,0 +1 @@
+use std::fmt::{Debug, Display, Formatter, Result as FmtResult};
diff --git a/nixide-sys/src/exts/util.rs b/nixide-sys/src/exts/util.rs
new file mode 100644
index 0000000..bbd4819
--- /dev/null
+++ b/nixide-sys/src/exts/util.rs
@@ -0,0 +1,15 @@
+use std::fmt::{Debug, Display, Formatter, Result as FmtResult};
+
+impl Display for crate::NixErr {
+    #[inline]
+    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
+        Debug::fmt(self, f)
+    }
+}
+
+impl Display for crate::NixVerbosity {
+    #[inline]
+    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
+        Debug::fmt(self, f)
+    }
+}
diff --git a/nixide-sys/src/lib.rs b/nixide-sys/src/lib.rs
index 9e938e1..57ea9e7 100644
--- a/nixide-sys/src/lib.rs
+++ b/nixide-sys/src/lib.rs
@@ -21,3 +21,7 @@ mod bindings {
     include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
 }
 pub use bindings::root::*;
+
+mod exts;
+#[allow(unused_imports)]
+pub use exts::*;