absl::HasOstreamOperator<T>

Synopsis

Declared in <absl/strings/has_ostream_operator.h>

template<typename T>
requires std::is_same<
           std::ostream&, decltype(std::declval<std::ostream&>()
                                   << std::declval<const T&>())>::value
struct HasOstreamOperator<T>
    : std::true_type