diff --git a/.gitignore b/.gitignore
index dd461a6..fcaa00f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 .devenv/
 .direnv/
 /target
+.pre-commit-config.yaml
diff --git a/flake.nix b/flake.nix
index 6aaf749..c8148c6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -25,13 +25,19 @@
             default = devenv.lib.mkShell {
               inherit inputs pkgs;
               modules = [
-               ({pkgs, config, ...}: {
-                 languages.rust = {
-                  enable = true;
-                  channel = "nightly";
-                 };
-                 packages = [];
-               })
+                ({pkgs, config, ...}: {
+                  languages.rust = {
+                    enable = true;
+                    channel = "nightly";
+                  };
+
+                  pre-commit.hooks = {
+                    clippy.enable = true;
+                    rustfmt.enable = true;
+                  };
+                
+                  packages = [];
+                })
               ];
             };
           });
diff --git a/src/error/mod.rs b/src/error/mod.rs
index 8a04587..4f15d36 100644
--- a/src/error/mod.rs
+++ b/src/error/mod.rs
@@ -1,5 +1,3 @@
-
-
 use codespan_reporting::{
     diagnostic::{Diagnostic, Label},
     files::SimpleFiles,
diff --git a/src/namespace/typedef.rs b/src/namespace/typedef.rs
index 0bb305e..191e447 100644
--- a/src/namespace/typedef.rs
+++ b/src/namespace/typedef.rs
@@ -112,7 +112,9 @@ impl From<TypeDef<'_>> for InternalTypeDef {
         match value {
             TypeDef::Type(val) => Self::Single(TypeNamespaceId::Types(val.id)),
             TypeDef::Trait(val) => Self::Single(TypeNamespaceId::Traits(val.id)),
-            TypeDef::List(list) => Self::List(list.into_iter().map(std::convert::Into::into).collect()),
+            TypeDef::List(list) => {
+                Self::List(list.into_iter().map(std::convert::Into::into).collect())
+            }
             TypeDef::Record(rec) => Self::Record(
                 rec.into_iter()
                     .map(|(name, typ)| (name, typ.into()))