Basic import syntax.

test/module/shared_import/a.wren

@@ -1,5 +1,5 @@
 // nontest
 IO.print("a")
-var Shared = "shared".import_("Shared")
+import "shared" for Shared
 var A = "a " + Shared
 IO.print("a done")

test/module/shared_import/b.wren

@@ -1,5 +1,5 @@
 // nontest
 IO.print("b")
-var Shared = "shared".import_("Shared")
+import "shared" for Shared
 var B = "b " + Shared
 IO.print("b done")

test/module/shared_import/shared_import.wren

@@ -1,5 +1,5 @@
-var A = "a".import_("A")
-var B = "b".import_("B")
+import "a" for A
+import "b" for B
 
 // Shared module should only run once:
 // expect: a