std::range-default-formatter<std::range_format::set>
Defined in header <format>
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template
<
ranges::input_range R, class CharT >
struct /*range-default-formatter*/ <range_format:: set, R, CharT> ; |
(since C++23)
(exposition only*) |
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The class template /*range-default-formatter*/ for range types is specialized for formatting range as a set of keys if std::format_kind<R> is std::range_format::set
Member types
| Member | Definition |
maybe-const-set (private)
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fmt-maybe-const
<R, CharT>
(exposition-only member type* |
Data members
| Member | Definition |
underlying_ (private)
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the underlying formatter of type:
std::range_formatter
<
std::remove_cvref_t
<
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Member functions
(constructor) |
constructs a range-default-formatter (public member function) |
parse |
parses the format specifier as specified by range-format-spec (public member function) |
format |
writes the range formatted output as specified by range-format-spec (public member function) |
std::range-default-formatter<std::range_format::set>:: range-default-formatter
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constexpr /*range-default-formatter*/();
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Equivalent to a call to underlying_.set_brackets (STATICALLY_WIDEN<CharT> ( "{" ), STATICALLY_WIDEN<CharT> ( "}" ) )
where STATICALLY_WIDEN<CharT>("...") is "..." if CharT is char, and L"..." if CharT is wchar_t
std::range-default-formatter<std::range_format::set>::parse
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template
<
class ParseContext >
constexpr auto parse( ParseContext& ctx ) - > ParseContext:: iterator ; |
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Equivalent to return underlying_.parse(ctx);.
Returns an iterator past the end of the range-format-spec.
std::range-default-formatter<std::range_format::set>::format
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template
<
class FormatContext >
auto format( maybe-const-set& r, FormatContext& ctx ) const - > FormatContext:: iterator ; |
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Equivalent to return underlying_.format(r, ctx);
Returns an iterator past the end of the output range.
See also
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(C++20)
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defines formatting rules for a given type (class template) |
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(C++23)
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class template that helps implementing std::formatter specializations for range types (class template) |