Addition assignment operators
Declared in <bslstl_string.h>
Append the specified character to this string, and return a reference providing modifiable access to this string.
basic_string<wchar_t>&
operator+=(wchar_t character);
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Append the specified rhs string to this string, and return a reference providing modifiable access to this string.
basic_string<wchar_t>&
operator+=(basic_string<wchar_t> const& rhs);
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Append the specified null-terminated rhs string (of length CHAR_TRAITS::length(rhs)) to this string, and return a reference providing modifiable access to this string.
basic_string<wchar_t>&
operator+=(wchar_t const* rhs);
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Append the specified rhs to this string, and return a reference providing modifiable access to this string.
template<class STRING_VIEW_LIKE_TYPE>
basic_string<wchar_t>&
operator+=(STRING_VIEW_LIKE_TYPE const& rhs);
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Append the specified rhs string to this string, and return a reference providing modifiable access to this string.
template<class ALLOC2>
basic_string<wchar_t>&
operator+=(std::basic_string<wchar_t, char_traits<wchar_t>, ALLOC2> const& rhs);
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