DROP_NATIVE_REF_FN_ID

wasm_bindgen_x::function

Constant DROP_NATIVE_REF_FN_ID 

Source 
pub const DROP_NATIVE_REF_FN_ID: u32 = 0xFFFFFFFF; // 4_294_967_295u32
Expand description

Reserved function ID for dropping native Rust refs when JS objects are GC’d. JS sends this when a FinalizationRegistry callback fires for a RustFunction.