feat: works

__wasm/wit-bindgen-sample/engine/boa/boa_gc/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "boa_gc"
+version = "0.15.0"
+edition = "2021"
+rust-version = "1.60"
+authors = ["boa-dev"]
+description = "Garbage collector used in Boa."
+repository = "https://github.com/boa-dev/boa"
+keywords = ["javascript", "js", "garbage", "memory"]
+categories = ["command-line-utilities"]
+license = "Unlicense/MIT"
+
+[dependencies]
+gc = { version = "0.4.1", features = ["derive"] }
+
+# Optional Dependencies
+measureme = { version = "10.1.0", optional = true }

__wasm/wit-bindgen-sample/engine/boa/boa_gc/src/lib.rs

@@ -0,0 +1,6 @@
+//! Garbage collector for the Boa JavaScript engine.
+
+pub use gc::{
+    custom_trace, finalizer_safe, force_collect, unsafe_empty_trace, Finalize, Gc, GcCell as Cell,
+    GcCellRef as Ref, GcCellRefMut as RefMut, Trace,
+};