24 Strings library [strings]

24.3 String classes [string.classes]

24.3.2 Class template basic_­string [basic.string]

24.3.2.6 basic_­string modifiers [string.modifiers]

24.3.2.6.2 basic_­string​::​append [string.append]

basic_string& append(const basic_string& str);

1
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Effects: Calls append(str.data(), str.size()).

2
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Returns: *this.

basic_string& append(const basic_string& str, size_type pos, size_type n = npos);

3
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Throws: out_­of_­range if pos > str.size().

4
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Effects: Determines the effective length rlen of the string to append as the smaller of n and str.size() - pos and calls append(str.data() + pos, rlen).

5
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Returns: *this.

basic_string& append(basic_string_view<charT, traits> sv);

6
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Effects: Equivalent to: return append(sv.data(), sv.size());

template<class T> basic_string& append(const T& t, size_type pos, size_type n = npos);

7
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Throws: out_­of_­range if pos > sv.size().

8
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Effects: Creates a variable, sv, as if by basic_­string_­view<charT, traits> sv = t. Determines the effective length rlen of the string to append as the smaller of n and sv.size() - pos and calls append(sv.data() + pos, rlen).

9
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Remarks: This function shall not participate in overload resolution unless is_­convertible_­v<const T&, basic_­string_­view<charT, traits>> is true and is_­convertible_­v<const T&, const charT*> is false.

10
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Returns: *this.

basic_string& append(const charT* s, size_type n);

11
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Requires: s points to an array of at least n elements of charT.

12
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Throws: length_­error if size() + n > max_­size().

13
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Effects: The function replaces the string controlled by *this with a string of length size() + n whose first size() elements are a copy of the original string controlled by *this and whose remaining elements are a copy of the initial n elements of s.

14
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Returns: *this.

basic_string& append(const charT* s);

15
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Requires: s points to an array of at least traits​::​length(s) + 1 elements of charT.

16
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Effects: Calls append(s, traits​::​length(s)).

17
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Returns: *this.

basic_string& append(size_type n, charT c);

18
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Effects: Equivalent to append(basic_­string(n, c)).

19
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Returns: *this.

template<class InputIterator> basic_string& append(InputIterator first, InputIterator last);

20
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Requires: [first, last) is a valid range.

21
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Effects: Equivalent to append(basic_­string(first, last, get_­allocator())).

22
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Returns: *this.

basic_string& append(initializer_list<charT> il);

23
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Effects: Calls append(il.begin(), il.size()).

24
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Returns: *this.

void push_back(charT c);

25
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Effects: Equivalent to append(static_­cast<size_­type>(1), c).