Add combine_with_exported_module.

tests/plugins.rs

@@ -1,5 +1,6 @@
 #![cfg(not(any(feature = "no_index", feature = "no_module")))]
 
+use rhai::module_resolvers::StaticModuleResolver;
 use rhai::plugin::*;
 use rhai::{Engine, EvalAltResult, INT};
 
@@ -10,6 +11,8 @@ mod test {
     pub mod special_array_package {
         use rhai::{Array, INT};
 
+        pub const MYSTIC_NUMBER: INT = 42 as INT;
+
         #[cfg(not(feature = "no_object"))]
         pub mod feature {
             use rhai::{Array, Dynamic, EvalAltResult};
@@ -66,7 +69,7 @@ fn test_plugins_package() -> Result<(), Box<EvalAltResult>> {
     let mut engine = Engine::new();
 
     let mut m = Module::new();
-    m.combine_flatten(exported_module!(test::special_array_package));
+    combine_with_exported_module!(&mut m, "test", test::special_array_package);
     engine.load_package(m);
 
     reg_functions!(engine += greet::single(INT, bool, char));
@@ -83,5 +86,14 @@ fn test_plugins_package() -> Result<(), Box<EvalAltResult>> {
         "6 kitties"
     );
 
+    let mut resolver = StaticModuleResolver::new();
+    resolver.insert("test", exported_module!(test::special_array_package));
+
+    engine.set_module_resolver(Some(resolver));
+    assert_eq!(
+        engine.eval::<INT>(r#"import "test" as test; test::MYSTIC_NUMBER"#)?,
+        42
+    );
+
     Ok(())
 }