9 Iterators library [iterators]

9.7 Iterator adaptors [iterators.predef]

9.7.7 Dangling wrapper [dangling.wrappers]

9.7.7.2 dangling operations [dangling.wrap.ops]

9.7.7.2.1 dangling constructors [dangling.wrap.op.const]

constexpr dangling() requires DefaultConstructible<T>;

1

Effects: Constructs a dangling, value-initializing value.

constexpr dangling(T t);

2

Effects: Constructs a dangling, initializing value with t.