29 Input/output library [input.output]

29.11 File systems [filesystems]

29.11.7 Class path [fs.class.path]

29.11.7.4 Members [fs.path.member]

29.11.7.4.4 Concatenation [fs.path.concat]

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path& operator+=(const path& x); path& operator+=(const string_type& x); path& operator+=(basic_string_view<value_type> x); path& operator+=(const value_type* x); template<class Source> path& operator+=(const Source& x); template<class Source> path& concat(const Source& x);
1
#
Effects: Appends path(x).native() to the pathname in the native format.
[ Note
:
This directly manipulates the value of native() and may not be portable between operating systems.
— end note
 ]
2
#
Returns: *this.
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path& operator+=(value_type x); template<class EcharT> path& operator+=(EcharT x);
3
#
Effects: Equivalent to: return *this += basic_­string_­view(&x, 1);
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template<class InputIterator> path& concat(InputIterator first, InputIterator last);
4
#
Effects: Equivalent to: return *this += path(first, last);