Function wasmtime_arrayref_set 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn wasmtime_arrayref_set(
    cx: WasmtimeStoreContextMut<'_>,
    arrayref: Option<&wasmtime_arrayref_t>,
    index: u32,
    val: &wasmtime_val_t,
) -> Option<Box<wasmtime_error_t>>