Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

const-cast.mm
// RUN: %clang_cc1 -fsyntax-only -verify %s

@class Foo;

void test() {
    const Foo *foo1 = 0;
    Foo *foo2 = foo1; // expected-error {{cannot initialize}}
}

void test1() {
    const Foo *foo1 = 0;
    Foo *foo2 = const_cast<Foo*>(foo1);
}