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Update string_view.qbk
This commit is contained in:
Peter Dimov
@ -34,7 +34,7 @@ criteria for inclusion is that the utility component be:
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* simple,
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* used by other Boost libraries, and
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* not dependent on any other Boost modules except Core
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itself, Config, Assert, Static Assert, or Predef.
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itself, Config, Assert, or Static Assert.
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[endsect]
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@ -65,6 +65,7 @@ criteria for inclusion is that the utility component be:
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[include quick_exit.qbk]
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[include ref.qbk]
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[include scoped_enum.qbk]
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[include string_view.qbk]
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[include swap.qbk]
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[include typeinfo.qbk]
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[include type_name.qbk]
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@ -32,11 +32,6 @@ namespace core
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template<class Ch> class basic_string_view
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{
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private:
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Ch const* data_;
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std::size_t size_;
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public:
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// types
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@ -126,55 +121,55 @@ public:
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constexpr bool starts_with( basic_string_view x ) const noexcept;
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constexpr bool starts_with( Ch x ) const noexcept;
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constexpr bool starts_with( Ch const* x ) const;
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constexpr bool starts_with( Ch const* x ) const noexcept;
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// ends_with
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constexpr bool ends_with( basic_string_view x ) const noexcept;
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constexpr bool ends_with( Ch x ) const noexcept;
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constexpr bool ends_with( Ch const* x ) const;
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constexpr bool ends_with( Ch const* x ) const noexcept;
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// find
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constexpr size_type find( basic_string_view s, size_type pos = 0 ) const noexcept;
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constexpr size_type find( Ch c, size_type pos = 0 ) const noexcept;
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constexpr size_type find( Ch const* s, size_type pos, size_type n ) const;
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constexpr size_type find( Ch const* s, size_type pos = 0 ) const;
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constexpr size_type find( Ch const* s, size_type pos = 0 ) const noexcept;
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// rfind
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constexpr size_type rfind( basic_string_view s, size_type pos = npos ) const noexcept;
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constexpr size_type rfind( Ch c, size_type pos = npos ) const noexcept;
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constexpr size_type rfind( Ch const* s, size_type pos, size_type n ) const;
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constexpr size_type rfind( Ch const* s, size_type pos = npos ) const;
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constexpr size_type rfind( Ch const* s, size_type pos, size_type n ) const noexcept;
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constexpr size_type rfind( Ch const* s, size_type pos = npos ) const noexcept;
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// find_first_of
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constexpr size_type find_first_of( basic_string_view s, size_type pos = 0 ) const noexcept;
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constexpr size_type find_first_of( Ch c, size_type pos = 0 ) const noexcept;
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constexpr size_type find_first_of( Ch const* s, size_type pos, size_type n ) const;
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constexpr size_type find_first_of( Ch const* s, size_type pos = 0 ) const;
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constexpr size_type find_first_of( Ch const* s, size_type pos, size_type n ) const noexcept;
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constexpr size_type find_first_of( Ch const* s, size_type pos = 0 ) const noexcept;
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// find_last_of
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constexpr size_type find_last_of( basic_string_view s, size_type pos = npos ) const noexcept;
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constexpr size_type find_last_of( Ch c, size_type pos = npos ) const noexcept;
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constexpr size_type find_last_of( Ch const* s, size_type pos, size_type n ) const;
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constexpr size_type find_last_of( Ch const* s, size_type pos = npos ) const;
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constexpr size_type find_last_of( Ch const* s, size_type pos, size_type n ) const noexcept;
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constexpr size_type find_last_of( Ch const* s, size_type pos = npos ) const noexcept;
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// find_first_not_of
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constexpr size_type find_first_not_of( basic_string_view s, size_type pos = 0 ) const noexcept;
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constexpr size_type find_first_not_of( Ch c, size_type pos = 0 ) const noexcept;
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constexpr size_type find_first_not_of( Ch const* s, size_type pos, size_type n ) const;
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constexpr size_type find_first_not_of( Ch const* s, size_type pos = 0 ) const;
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constexpr size_type find_first_not_of( Ch const* s, size_type pos, size_type n ) const noexcept;
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constexpr size_type find_first_not_of( Ch const* s, size_type pos = 0 ) const noexcept;
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// find_last_not_of
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constexpr size_type find_last_not_of( basic_string_view s, size_type pos = npos ) const noexcept;
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constexpr size_type find_last_not_of( Ch c, size_type pos = npos ) const noexcept;
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constexpr size_type find_last_not_of( Ch const* s, size_type pos, size_type n ) const;
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constexpr size_type find_last_not_of( Ch const* s, size_type pos = npos ) const;
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constexpr size_type find_last_not_of( Ch const* s, size_type pos, size_type n ) const noexcept;
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constexpr size_type find_last_not_of( Ch const* s, size_type pos = npos ) const noexcept;
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// contains
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@ -194,7 +189,7 @@ public:
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// stream inserter
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template<class Ch> std::basic_ostream<Ch>& operator<<( std::basic_ostream<Ch>& os, basic_string_view<Ch> str )
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template<class Ch> std::basic_ostream<Ch>& operator<<( std::basic_ostream<Ch>& os, basic_string_view<Ch> str );
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// typedef names
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@ -212,59 +207,291 @@ typedef basic_string_view<char8_t> u8string_view;
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[section Construction]
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[section constexpr basic_string_view() noexcept;]
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[section `constexpr basic_string_view() noexcept;`]
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* *Ensures:* `data() == 0`, `size() == 0`.
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* *Ensures:* `data() == 0`; `size() == 0`.
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[endsect]
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[section constexpr basic_string_view( Ch const* str ) noexcept;]
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[section `constexpr basic_string_view( Ch const* str ) noexcept;`]
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* *Ensures:* `data() == str`; `size() == traits_type::length( str )`.
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[endsect]
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[section constexpr basic_string_view( Ch const* str, size_type len ) noexcept;]
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[section `constexpr basic_string_view( Ch const* str, size_type len ) noexcept;`]
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* *Ensures:* `data() == str`; `size() == len`.
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[endsect]
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[section constexpr basic_string_view( Ch const* begin, Ch const* end ) noexcept;]
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[section `constexpr basic_string_view( Ch const* begin, Ch const* end ) noexcept;`]
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* *Requires:* `end >= begin`.
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* *Ensures:* `data() == begin`; `size() == end - begin`.
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[endsect]
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[section template<class A> basic_string_view( std::basic_string<Ch, std::char_traits<Ch>, A> const& str ) noexcept;]
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[section `template<class A> basic_string_view( std::basic_string<Ch, std::char_traits<Ch>, A> const& str ) noexcept;`]
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* *Ensures:* `data() == str.data()`; `size() == str.size()`.
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[endsect]
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[section basic_string_view( std::basic_string_view<Ch, std::char_traits<Ch>> const& str ) noexcept;]
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[section `basic_string_view( std::basic_string_view<Ch, std::char_traits<Ch>> const& str ) noexcept;`]
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* *Ensures:* `data() == str.data()`; `size() == str.size()`.
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[endsect]
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[endsect]
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[section Conversions]
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[section `template<class A> operator std::basic_string<Ch, std::char_traits<Ch>, A>() const;`]
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* *Returns:* `std::basic_string<Ch, std::char_traits<Ch>, A>( data(), size() )`.
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[endsect]
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[section `template<class Ch2> operator std::basic_string_view<Ch2>() const noexcept;`]
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* *Constraints:* `Ch2` is the same type as `Ch`.
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* *Returns:* `std::basic_string_view<Ch2>( data(), size() )`.
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[endsect]
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[endsect]
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[section Iterator Support]
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[section `constexpr const_iterator begin() const noexcept;`]
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* *Returns:* `data()`.
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[endsect]
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[section `constexpr const_iterator end() const noexcept;`]
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* *Returns:* `data() + size()`.
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[endsect]
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[section `constexpr const_iterator cbegin() const noexcept;`]
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* *Returns:* `begin()`.
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[endsect]
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[section `constexpr const_iterator cend() const noexcept;`]
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* *Returns:* `end()`.
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[endsect]
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[section `constexpr const_reverse_iterator rbegin() const noexcept;`]
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* *Returns:* `std::make_reverse_iterator( end() )`.
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[endsect]
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[section `constexpr const_reverse_iterator rend() const noexcept;`]
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* *Returns:* `std::make_reverse_iterator( begin() )`.
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[endsect]
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[section `constexpr const_reverse_iterator crbegin() const noexcept;`]
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* *Returns:* `rbegin()`.
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[endsect]
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[section `constexpr const_reverse_iterator crend() const noexcept;`]
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* *Returns:* `rend()`.
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[endsect]
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[endsect]
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[section Capacity]
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[section `constexpr size_type size() const noexcept;`]
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* *Returns:* the length of the referenced character sequence.
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[endsect]
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[section `constexpr size_type length() const noexcept;`]
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* *Returns:* `size()`.
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[endsect]
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[section `constexpr size_type max_size() const noexcept;`]
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* *Returns:* `std::numeric_limits<size_type>::max() / sizeof(Ch)`.
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[endsect]
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[section `constexpr bool empty() const noexcept;`]
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* *Returns:* `size() == 0`.
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[endsect]
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[endsect]
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[section Element Access]
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[section `constexpr const_reference operator[]( size_type pos ) const noexcept;`]
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* *Requires:* `pos < size()`.
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* *Returns:* `data()[ pos ]`.
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[endsect]
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[section `constexpr const_reference at( size_type pos ) const;`]
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* *Returns:* `data()[ pos ]`.
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* *Throws:* `std::out_of_range` when `pos >= size()`.
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[endsect]
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[section `constexpr const_reference front() const noexcept;`]
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* *Requires:* `!empty()`.
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* *Returns:* `data()[ 0 ]`.
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[endsect]
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[section `constexpr const_reference back() const noexcept;`]
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* *Requires:* `!empty()`.
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* *Returns:* `data()[ size() - 1 ]`.
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[endsect]
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[section `constexpr const_pointer data() const noexcept;`]
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* *Returns:* a pointer to the beginning of the referenced character sequence.
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[endsect]
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[endsect]
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[section Modifiers]
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[section `constexpr void remove_prefix( size_type n ) noexcept;`]
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[endsect]
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[section `constexpr void remove_suffix( size_type n ) noexcept;`]
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[endsect]
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[section `constexpr void swap( basic_string_view& s ) noexcept;`]
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[endsect]
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[endsect]
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[section String Operations]
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[section copy]
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[section `constexpr size_type copy( Ch* s, size_type n, size_type pos = 0 ) const;`]
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[endsect]
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[endsect]
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[section substr]
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[section `constexpr basic_string_view substr( size_type pos = 0, size_type n = npos ) const;`]
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[endsect]
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[endsect]
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[section compare]
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[section `constexpr int compare( basic_string_view s ) const noexcept;`]
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* *Returns:* `...`.
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[endsect]
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[section `constexpr int compare( size_type pos1, size_type n1, basic_string_view s ) const;`]
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* *Returns:* `substr( pos1, n1 ).compare( str )`.
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[endsect]
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[section `constexpr int compare( size_type pos1, size_type n1, basic_string_view s, size_type pos2, size_type n2 ) const;`]
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* *Returns:* `substr( pos1, n1 ).compare( str.substr( pos2, n2 ) )`.
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[endsect]
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[section `constexpr int compare( Ch const* s ) const noexcept;`]
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* *Returns:* `compare( basic_string_view( s ) )`.
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[endsect]
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[section `constexpr int compare( size_type pos1, size_type n1, Ch const* s ) const;`]
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* *Returns:* `substr( pos1, n1 ).compare( basic_string_view( s ) )`.
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[endsect]
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[section `constexpr int compare( size_type pos1, size_type n1, Ch const* s, size_type n2 ) const;`]
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* *Returns:* `substr( pos1, n1 ).compare( basic_string_view( s, n2 ) )`.
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[endsect]
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[endsect]
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[section starts_with]
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[section `constexpr bool starts_with( basic_string_view x ) const noexcept;`]
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* *Returns:* `...`.
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[endsect]
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[section `constexpr bool starts_with( Ch x ) const noexcept;`]
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* *Returns:* `...`.
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[endsect]
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[section `constexpr bool starts_with( Ch const* x ) const noexcept;`]
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* *Returns:* `starts_with( basic_string_view( x ) )`.
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[endsect]
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[endsect]
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[section ends_with]
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[section `constexpr bool ends_with( basic_string_view x ) const noexcept;`]
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* *Returns:* `...`.
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[endsect]
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[section `constexpr bool ends_with( Ch x ) const noexcept;`]
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* *Returns:* `...`.
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[endsect]
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[section `constexpr bool ends_with( Ch const* x ) const noexcept;`]
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* *Returns:* `ends_with( basic_string_view( x ) )`.
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[endsect]
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[endsect]
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||||
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[endsect]
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@ -272,32 +499,242 @@ typedef basic_string_view<char8_t> u8string_view;
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[section Searching]
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[section find]
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[section `constexpr size_type find( basic_string_view s, size_type pos = 0 ) const noexcept;`]
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* *Returns:* `...`.
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[endsect]
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||||
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[section `constexpr size_type find( Ch c, size_type pos = 0 ) const noexcept;`]
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||||
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* *Returns:* `find( basic_string_view( &c, 1 ), pos )`.
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[endsect]
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||||
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||||
[section `constexpr size_type find( Ch const* s, size_type pos, size_type n ) const noexcept;`]
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||||
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||||
* *Returns:* `find( basic_string_view( s, n ), pos )`.
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||||
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||||
[endsect]
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||||
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||||
[section `constexpr size_type find( Ch const* s, size_type pos = 0 ) const noexcept;`]
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||||
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* *Returns:* `find( basic_string_view( s ), pos )`.
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||||
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||||
[endsect]
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||||
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||||
[endsect]
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||||
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[section rfind]
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[section `constexpr size_type rfind( basic_string_view s, size_type pos = npos ) const noexcept;`]
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* *Returns:* `...`.
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[endsect]
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[section `constexpr size_type rfind( Ch c, size_type pos = npos ) const noexcept;`]
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* *Returns:* `rfind( basic_string_view( &c, 1 ), pos )`.
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[endsect]
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||||
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[section `constexpr size_type rfind( Ch const* s, size_type pos, size_type n ) const noexcept;`]
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* *Returns:* `rfind( basic_string_view( s, n ), pos )`.
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||||
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[endsect]
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||||
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||||
[section `constexpr size_type rfind( Ch const* s, size_type pos = npos ) const noexcept;`]
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||||
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* *Returns:* `rfind( basic_string_view( s ), pos )`.
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||||
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||||
[endsect]
|
||||
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||||
[endsect]
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||||
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[section find_first_of]
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[section `constexpr size_type find_first_of( basic_string_view s, size_type pos = 0 ) const noexcept;`]
|
||||
|
||||
* *Returns:* `...`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr size_type find_first_of( Ch c, size_type pos = 0 ) const noexcept;`]
|
||||
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||||
* *Returns:* `find_first_of( basic_string_view( &c, 1 ), pos )`.
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||||
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||||
[endsect]
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||||
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||||
[section `constexpr size_type find_first_of( Ch const* s, size_type pos, size_type n ) const noexcept;`]
|
||||
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||||
* *Returns:* `find_first_of( basic_string_view( s, n ), pos )`.
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||||
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||||
[endsect]
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||||
|
||||
[section `constexpr size_type find_first_of( Ch const* s, size_type pos = 0 ) const noexcept;`]
|
||||
|
||||
* *Returns:* `find_first_of( basic_string_view( s ), pos )`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[endsect]
|
||||
|
||||
[section find_last_of]
|
||||
|
||||
[section `constexpr size_type find_last_of( basic_string_view s, size_type pos = npos ) const noexcept;`]
|
||||
|
||||
* *Returns:* `...`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr size_type find_last_of( Ch c, size_type pos = npos ) const noexcept;`]
|
||||
|
||||
* *Returns:* `find_last_of( basic_string_view( &c, 1 ), pos )`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr size_type find_last_of( Ch const* s, size_type pos, size_type n ) const noexcept;`]
|
||||
|
||||
* *Returns:* `find_last_of( basic_string_view( s, n ), pos )`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr size_type find_last_of( Ch const* s, size_type pos = npos ) const noexcept;`]
|
||||
|
||||
* *Returns:* `find_last_of( basic_string_view( s ), pos )`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[endsect]
|
||||
|
||||
[section find_first_not_of]
|
||||
|
||||
[section `constexpr size_type find_first_not_of( basic_string_view s, size_type pos = 0 ) const noexcept;`]
|
||||
|
||||
* *Returns:* `...`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr size_type find_first_not_of( Ch c, size_type pos = 0 ) const noexcept;`]
|
||||
|
||||
* *Returns:* `find_first_not_of( basic_string_view( &c, 1 ), pos )`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr size_type find_first_not_of( Ch const* s, size_type pos, size_type n ) const noexcept;`]
|
||||
|
||||
* *Returns:* `find_first_not_of( basic_string_view( s, n ), pos )`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr size_type find_first_not_of( Ch const* s, size_type pos = 0 ) const noexcept;`]
|
||||
|
||||
* *Returns:* `find_first_not_of( basic_string_view( s ), pos )`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[endsect]
|
||||
|
||||
[section find_last_not_of]
|
||||
|
||||
[section `constexpr size_type find_last_not_of( basic_string_view s, size_type pos = npos ) const noexcept;`]
|
||||
|
||||
* *Returns:* `...`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr size_type find_last_not_of( Ch c, size_type pos = npos ) const noexcept;`]
|
||||
|
||||
* *Returns:* `find_last_not_of( basic_string_view( &c, 1 ), pos )`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr size_type find_last_not_of( Ch const* s, size_type pos, size_type n ) const noexcept;`]
|
||||
|
||||
* *Returns:* `find_last_not_of( basic_string_view( s, n ), pos )`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr size_type find_last_not_of( Ch const* s, size_type pos = npos ) const noexcept;`]
|
||||
|
||||
* *Returns:* `find_last_not_of( basic_string_view( s ), pos )`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[endsect]
|
||||
|
||||
[section contains]
|
||||
|
||||
[section `constexpr bool contains( basic_string_view sv ) const noexcept;`]
|
||||
|
||||
* *Returns:* `find( sv ) != npos`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr bool contains( Ch c ) const noexcept;`]
|
||||
|
||||
* *Returns:* `find( c ) != npos`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr bool contains( Ch const* s ) const noexcept;`]
|
||||
|
||||
* *Returns:* `find( s ) != npos`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[endsect]
|
||||
|
||||
[endsect]
|
||||
|
||||
[section Relational Operators]
|
||||
|
||||
[section `constexpr friend bool operator==( basic_string_view sv1, basic_string_view sv2 ) noexcept;`]
|
||||
|
||||
* *Returns:* `sv1.compare( sv2 ) == 0`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr friend bool operator!=( basic_string_view sv1, basic_string_view sv2 ) noexcept;`]
|
||||
|
||||
* *Returns:* `sv1.compare( sv2 ) != 0`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr friend bool operator<( basic_string_view sv1, basic_string_view sv2 ) noexcept;`]
|
||||
|
||||
* *Returns:* `sv1.compare( sv2 ) < 0`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr friend bool operator<=( basic_string_view sv1, basic_string_view sv2 ) noexcept;`]
|
||||
|
||||
* *Returns:* `sv1.compare( sv2 ) <= 0`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr friend bool operator>( basic_string_view sv1, basic_string_view sv2 ) noexcept;`]
|
||||
|
||||
* *Returns:* `sv1.compare( sv2 ) > 0`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[section `constexpr friend bool operator>=( basic_string_view sv1, basic_string_view sv2 ) noexcept;`]
|
||||
|
||||
* *Returns:* `sv1.compare( sv2 ) >= 0`.
|
||||
|
||||
[endsect]
|
||||
|
||||
[endsect]
|
||||
|
||||
[section Stream Inserter]
|
||||
|
||||
[section `template<class Ch> std::basic_ostream<Ch>& operator<<( std::basic_ostream<Ch>& os, basic_string_view<Ch> str );`]
|
||||
[endsect]
|
||||
|
||||
[endsect]
|
||||
|
||||
[endsect]
|
||||
|
||||
@ -600,7 +600,7 @@ public:
|
||||
return !empty() && front() == x;
|
||||
}
|
||||
|
||||
BOOST_CONSTEXPR bool starts_with( Ch const* x ) const
|
||||
BOOST_CONSTEXPR bool starts_with( Ch const* x ) const BOOST_NOEXCEPT
|
||||
{
|
||||
return starts_with( basic_string_view( x ) );
|
||||
}
|
||||
@ -617,7 +617,7 @@ public:
|
||||
return !empty() && back() == x;
|
||||
}
|
||||
|
||||
BOOST_CONSTEXPR bool ends_with( Ch const* x ) const
|
||||
BOOST_CONSTEXPR bool ends_with( Ch const* x ) const BOOST_NOEXCEPT
|
||||
{
|
||||
return ends_with( basic_string_view( x ) );
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user