require("import") -- the import fn import("overload_simple") -- import code for k,v in pairs(overload_simple) do _G[k]=v end -- move to global -- lua has only one numeric type, foo(int) and foo(double) are the same -- whichever one was wrapper first will be used assert(foo(3)=="foo:int" or foo(3)=="foo:double") -- could be either assert(foo("hello")=="foo:char *") f=Foo() b=Bar() assert(foo(f)=="foo:Foo *") assert(foo(b)=="foo:Bar *") v = malloc_void(32) assert(foo(v) == "foo:void *") s = Spam() assert(s:foo(3) == "foo:int" or s:foo(3.0) == "foo:double") -- could be either assert(s:foo("hello") == "foo:char *") assert(s:foo(f) == "foo:Foo *") assert(s:foo(b) == "foo:Bar *") assert(s:foo(v) == "foo:void *") assert(Spam_bar(3) == "bar:int" or Spam_bar(3.0) == "bar:double") assert(Spam_bar("hello") == "bar:char *") assert(Spam_bar(f) == "bar:Foo *") assert(Spam_bar(b) == "bar:Bar *") assert(Spam_bar(v) == "bar:void *") -- Test constructors s = Spam() assert(s.type == "none") s = Spam(3) assert(s.type == "int" or s.type == "double") s = Spam("hello") assert(s.type == "char *") s = Spam(f) assert(s.type == "Foo *") s = Spam(b) assert(s.type == "Bar *") s = Spam(v) assert(s.type == "void *") free_void(v)