cppdraft_translate/cppdraft/string/op/append.md

[string.op.append]

27 Strings library [strings]

27.4 String classes [string.classes]

27.4.3 Class template basic_string [basic.string]

27.4.3.7 Modifiers [string.modifiers]

27.4.3.7.1 basic_string​::​operator+= [string.op.append]

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constexpr basic_string& operator+=(const basic_string& str);

1

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Effects: Equivalent to: return append(str);

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template<class T> constexpr basic_string& operator+=(const T& t);

2

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Constraints:

• (2.1)

is_convertible_v<const T&, basic_string_view<charT, traits>> istrue and

• (2.2)

is_convertible_v<const T&, const charT*> isfalse.

3

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Effects: Equivalent to:basic_string_view<charT, traits> sv = t;return append(sv);

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constexpr basic_string& operator+=(const charT* s);

4

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Effects: Equivalent to: return append(s);

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constexpr basic_string& operator+=(charT c);

5

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Effects: Equivalent to: return append(size_type{1}, c);

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constexpr basic_string& operator+=(initializer_list<charT> il);

6

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Effects: Equivalent to: return append(il);