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Showing content from https://cplusplus.github.io/LWG/issue3554 below:

parse needs const charT* and basic_string_view<charT> overloads

template<class charT, class Parsable>
  unspecified
    parse(const charT* fmt, Parsable& tp);

-?- Constraints: The expression

from_stream(declval<basic_istream<charT>&>(), fmt, tp)

is well-formed when treated as an unevaluated operand.

-?- Effects: Equivalent to return parse(basic_string<charT>{fmt}, tp);

template<class charT, class traits, class Parsable>
  unspecified
    parse(basic_string_view<charT, traits> fmt, Parsable& tp);

-?- Constraints: The expression

from_stream(declval<basic_istream<charT, traits>&>(), fmt.data(), tp)

is well-formed when treated as an unevaluated operand.

-?- Effects: Equivalent to return parse(basic_string<charT, traits>{fmt}, tp);

template<class charT, class traits, class Alloc, class Parsable>
  unspecified
    parse(const charT* fmt, Parsable& tp,
          basic_string<charT, traits, Alloc>& abbrev);

-?- Constraints: The expression

from_stream(declval<basic_istream<charT, traits>&>(), fmt, tp, addressof(abbrev))

is well-formed when treated as an unevaluated operand.

-?- Effects: Equivalent to return parse(basic_string<charT, traits, Alloc>{fmt}, tp, abbrev);

template<class charT, class traits, class Alloc, class Parsable>
  unspecified
    parse(basic_string_view<charT, traits> fmt, Parsable& tp,
          basic_string<charT, traits, Alloc>& abbrev);

-?- Constraints: The expression

from_stream(declval<basic_istream<charT, traits>&>(), fmt.data(), tp, addressof(abbrev))

is well-formed when treated as an unevaluated operand.

-?- Effects: Equivalent to return parse(basic_string<charT, traits, Alloc>{fmt}, tp, abbrev);

template<class charT, class Parsable>
  unspecified
    parse(const charT* fmt, Parsable& tp, minutes& offset);

-?- Constraints: The expression

from_stream(declval<basic_istream<charT>&>(), fmt, tp,
            declval<basic_string<charT>*>(),
            &offset)

is well-formed when treated as an unevaluated operand.

-?- Effects: Equivalent to return parse(basic_string<charT>{fmt}, tp, offset);

template<class charT, class traits, class Parsable>
  unspecified
    parse(basic_string_view<charT, traits> fmt, Parsable& tp, minutes& offset);

-?- Constraints: The expression

from_stream(declval<basic_istream<charT, traits>&>(), fmt.data(), tp,
            declval<basic_string<charT, traits>*>(),
            &offset)

is well-formed when treated as an unevaluated operand.

-?- Effects: Equivalent to return parse(basic_string<charT, traits>{fmt}, tp, offset);

template<class charT, class traits, class Alloc, class Parsable>
unspecified
  parse(const charT* fmt, Parsable& tp,
        basic_string<charT, traits, Alloc>& abbrev, minutes& offset);

-?- Constraints: The expression

from_stream(declval<basic_istream<charT, traits>&>(), fmt, tp, addressof(abbrev), &offset)

is well-formed when treated as an unevaluated operand.

-?- Effects: Equivalent to return parse(basic_string<charT, traits, Alloc>{fmt}, tp, abbrev, offset);

template<class charT, class traits, class Alloc, class Parsable>
  unspecified
    parse(basic_string_view<charT, traits> fmt, Parsable& tp,
          basic_string<charT, traits, Alloc>& abbrev, minutes& offset);

-?- Constraints: The expression

from_stream(declval<basic_istream<charT, traits>&>(), fmt.data(), tp, addressof(abbrev), &offset)

is well-formed when treated as an unevaluated operand.

-?- Effects: Equivalent to return parse(basic_string<charT, traits, Alloc>{fmt}, tp, abbrev, offset);

template<class charT, class traits, class Alloc, class Parsable>
  unspecified
    parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp);

-2- Constraints: The expression

from_stream(declval<basic_istream<charT, traits>&>(), fmt.c_str(), tp)

is well-formed when treated as an unevaluated operand.

-3- Returns: A manipulator such that the expression is >> parse(fmt, tp) has type I, has value is, and calls from_stream(is, fmt.c_str(), tp).

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