std::basic_string_view::compare

constexpr int compare(size_type pos1, size_type count1, basic_string_view v) const;

(2)

(since C++17)

constexpr int compare(size_type pos1, size_type count1, basic_string_view v, size_type pos2, size_type count2) const;

(3)

(since C++17)

constexpr int compare(const CharT* s) const;

(4)

(since C++17)

constexpr int compare(size_type pos1, size_type count1, const CharT* s) const;

(5)

(since C++17)

constexpr int compare(size_type pos1, size_type count1, const CharT* s, size_type count2) const;

(6)

(since C++17)

Traits::compare(data(), v.data(), rlen) < 0

this is less than v

<0

Traits::compare(data(), v.data(), rlen) == 0

size() < v.size()

this is less than v

<0

size() == v.size()

this is equal to v

​0​

size() > v.size()

this is greater than v

0

Traits::compare(data(), v.data(), rlen) > 0

this is greater than v

0

s

-

pointer to the character string to compare to

count1

-

number of characters of this view to compare

pos1

-

position of the first character in this view to compare

count2

-

number of characters of the given view to compare

pos2

-

position of the first character of the given view to compare