begin cerulean's rust cli

snow/src/main.rs

@@ -0,0 +1,26 @@
+use nix_bindings_expr::eval_state::{gc_register_my_thread, init, EvalState};
+use nix_bindings_store::store::Store;
+use std::collections::HashMap;
+
+fn main() -> anyhow::Result<()> {
+    // Initialize Nix library and register thread with GC
+    init()?;
+    let guard = gc_register_my_thread()?;
+
+    // Open a store connection and create an evaluation state
+    let store = Store::open(None, HashMap::new())?;
+    let mut eval_state = EvalState::new(store, [])?;
+
+    // Evaluate a Nix expression
+    let value = eval_state.eval_from_string("[1 2 3]", "<example>")?;
+
+    // Extract typed values
+    let elements: Vec<_> = eval_state.require_list_strict(&value)?;
+    for element in elements {
+        let num = eval_state.require_int(&element)?;
+        println!("Element: {}", num);
+    }
+
+    drop(guard);
+    Ok(())
+}