diff --git a/assets/test_prelude.ld b/assets/test_prelude.ld
index 83ad42f..186f1f5 100644
--- a/assets/test_prelude.ld
+++ b/assets/test_prelude.ld
@@ -1083,6 +1083,16 @@ fn heed! {
 	}
 }
 
+fn send_sync {
+	"Sends the message to the specified process, and waits for a response in the form of a `(:reply, response)` tuple."
+	(pid, msg) -> {
+		send (pid, msg)
+		receive {
+			(:reply, res) -> res
+		}
+	}
+}
+
 & TODO: make this more robust, to handle multiple pending requests w/o data races
 fn request_fetch! {
 	(pid as :keyword, url as :string) -> {
diff --git a/pkg/rudus_bg.wasm b/pkg/rudus_bg.wasm
index 1b4a9ac..ee3a380 100644
--- a/pkg/rudus_bg.wasm
+++ b/pkg/rudus_bg.wasm
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3e605d8a2c5a125dc5b386be2c7f6579c4fbfeeaa7c5a4296d30b87f1d081671
-size 16771299
+oid sha256:de73e134772464686f83ecc0389fb8661f8946f705edeb896cc493578814356e
+size 16770813
diff --git a/src/lib.rs b/src/lib.rs
index e063d0b..caf2538 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,14 +5,10 @@ use std::rc::Rc;
 use std::cell::RefCell;
 
 const DEBUG_SCRIPT_COMPILE: bool = false;
-const DEBUG_SCRIPT_RUN: bool = true;
+const DEBUG_SCRIPT_RUN: bool = false;
 const DEBUG_PRELUDE_COMPILE: bool = false;
 const DEBUG_PRELUDE_RUN: bool = false;
 
-// #[cfg(target_family = "wasm")]
-// #[global_allocator]
-// static ALLOCATOR: talc::TalckWasm = unsafe { talc::TalckWasm::new_global() };
-
 mod io;
 use io::send_err_to_ludus_console;
 
@@ -40,7 +36,6 @@ mod errors;
 use crate::errors::{lexing, parsing, validation};
 
 mod panic;
-mod keywords;
 
 mod js;
 use crate::js::*;