21 Internet protocol [internet]

21.15 Class template ip::basic_resolver_results [internet.resolver.results]

21.15.3 ip::basic_resolver_results size [internet.resolver.results.size]

size_type size() const noexcept;

1

Returns: The number of basic_resolver_entry elements in *this.

size_type max_size() const noexcept;

2

Returns: The maximum number of basic_resolver_entry elements that can be stored in *this.

bool empty() const noexcept;

3

Returns: size() == 0.