Fix cargo clippy

compiler/builtins/build.rs

@@ -45,6 +45,7 @@ fn main() {
 
     run_command("llvm-as-10", &[dest_ll, "-o", dest_bc]);
 
+    // TODO: Recursivly search zig src dir to watch for each file
     println!("cargo:rerun-if-changed=build.rs");
     println!("cargo:rerun-if-changed={}", src_path_str);
     println!("cargo:rustc-env=BUILTINS_BC={}", dest_bc);

compiler/gen/src/llvm/build_str.rs

@@ -616,8 +616,8 @@ pub fn str_count_graphemes<'a, 'ctx, 'env>(
                 LowLevel::StrCountGraphemes,
                 env,
                 &[
-                    BasicValueEnum::PointerValue(str_ptr).into(),
-                    BasicValueEnum::IntValue(str_len).into(),
+                    BasicValueEnum::PointerValue(str_ptr),
+                    BasicValueEnum::IntValue(str_len),
                 ],
                 &bitcode::STR_COUNT_GRAPEHEME_CLUSTERS,
             )

shell.nix

@@ -36,6 +36,8 @@ let
       # build libraries
       pkgs.rustc
       pkgs.cargo
+      pkgs.clippy
+      pkgs.rustfmt
       pkgs.cmake
       pkgs.git
       pkgs.python3