Add import pattern support to 'hide'

src/tests.rs

@@ -441,6 +441,46 @@ fn hide_twice_not_allowed() -> TestResult {
     )
 }
 
+#[test]
+fn hides_import_1() -> TestResult {
+    fail_test(
+        r#"module spam { export def foo [] { "foo" } }; use spam; hide spam.foo; foo"#,
+        "not found"
+    )
+}
+
+#[test]
+fn hides_import_2() -> TestResult {
+    fail_test(
+        r#"module spam { export def foo [] { "foo" } }; use spam; hide spam.*; foo"#,
+        "not found"
+    )
+}
+
+#[test]
+fn hides_import_3() -> TestResult {
+    fail_test(
+        r#"module spam { export def foo [] { "foo" } }; use spam; hide spam.[foo]; foo"#,
+        "not found"
+    )
+}
+
+#[test]
+fn hides_import_4() -> TestResult {
+    fail_test(
+        r#"module spam { export def foo [] { "foo" } }; use spam.foo; hide foo; foo"#,
+        "not found"
+    )
+}
+
+#[test]
+fn hides_import_5() -> TestResult {
+    fail_test(
+        r#"module spam { export def foo [] { "foo" } }; use spam.*; hide foo; foo"#,
+        "not found"
+    )
+}
+
 #[test]
 fn def_twice_should_fail() -> TestResult {
     fail_test(