feat: TODO

evaluator/nixjit_builtins/src/lib.rs

@@ -1,7 +1,11 @@
+use nixjit_error::Result;
+use nixjit_eval::{Args, Value};
 use nixjit_macros::builtins;
 
 pub trait BuiltinsContext {}
 
+pub type BuiltinFn<Ctx> = fn(&mut Ctx, Args) -> Result<Value>;
+
 #[builtins]
 pub mod builtins {
     use std::rc::Rc;