std::istreambuf_iterator::equal

From cppreference.com
bool equal( const istreambuf_iterator& it ) const;

Checks whether both *this and it are valid, or both are invalid, regardless of the stream buffer objects they use.

Parameters

it - another stream buffer iterator to compare to

Return value

true if both *this and it are valid, or both are invalid, false otherwise.

Exceptions

(none)