message: feat(api) Make `Extern::from_export` public.
diff: @@ -31,7 +31,7 @@ impl Extern {
  }
  }
  - pub(crate) fn from_export(store: &Store, export: Export) -> Extern {
  + pub fn from_export(store: &Store, export: Export) -> Extern {
  match export {
  Export::Function(f) => Extern::Function(Function::from_export(store, f)),
  Export::Memory(m) => Extern::Memory(Memory::from_export(store, m)),
  