Method rename_module

src/program.cpp:1335–1344

}

void program::rename_module(const std::string& old_name, const std::string& new_name)
{
    assert(old_name != new_name);
    assert(contains(impl->modules, old_name));
    assert(not contains(impl->modules, new_name));
    auto node  = impl->modules.extract(old_name);
    node.key() = new_name;
    node.mapped().set_name(new_name);
    impl->modules.insert(std::move(node));
}

void program::remove_unused_modules()
{