is(n) on macOS
The text 0277827c687f, as Mac OS X 10.4.2, Mac OS X 10.4.1, Mac OS X 10.4 shipped it.
test argument to see if it is a class or an object
The text 0277827c687f, as Mac OS X 10.4.2, Mac OS X 10.4.1, Mac OS X 10.4 shipped it.
test argument to see if it is a class or an object