std::basic_string<CharT,Traits,Allocator>::data

	(1)
`const CharT* data() const;`			(C++11)
`const CharT* data() const noexcept;`			(C++11) (C++20)
`constexpr const CharT* data() const noexcept;`			(C++20)
		(2)
`CharT* data() noexcept;`				(C++17) (C++20)
`constexpr CharT* data() noexcept;`				(C++20)

[data(); data() + size())

empty() true

(C++11)

data() c_str()

empty() true 1

(C++11)

data()

const
operator[](), at(), front(), back(), begin(), end(), rbegin(), rend() const

1) data const

2) data()+size() CharT()

()

`[0, size())` `i` `data()[i] == operator[](i)`	(C++11)
`[0, size()]` `i` `data() + i == std::addressof(operator[](i))`	(C++11)

Run this code

#include <algorithm>
#include <cassert>
#include <cstring>
#include <string>

int main()
{
  std::string const s("Emplary");
  assert(s.size() == std::strlen(s.data()));
  assert(std::equal(s.begin(), s.end(), s.data()));
  assert(std::equal(s.data(), s.data() + s.size(), s.begin()));
  assert(0 == *(s.data() + s.size()));
}

front (C++11)	() [edit]
back (C++11)	() [edit]
c_str	C () [edit]

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std::basic_string<CharT,Traits,Allocator>::data