Streams the textual symbol of a dimension to a std::basic_ostream.

Synopses

Declared in <mp‐units/ext/fixed_string.h>

Streams the textual symbol of a dimension to a std::basic_ostream.

template<
    typename CharT,
    typename Traits,
    Unit D>
std::basic_ostream<CharT, Traits>&
operator<<(
    std::basic_ostream<CharT, Traits>& os,
    D d);

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Stream insertion operator

template<
    typename CharT,
    std::size_t N>
std::basic_ostream<CharT>&
operator<<(
    std::basic_ostream<CharT>& os,
    basic_fixed_string<CharT, N> const& str);

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Stream insertion operator

template<
    typename CharT,
    typename Traits,
    auto R,
    typename Rep>
std::basic_ostream<CharT, Traits>&
operator<<(
    std::basic_ostream<CharT, Traits>& os,
    quantity<R, Rep> const& q)
requires requires { os << q.numerical_value_ref_in(q.unit); };

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Stream insertion operator

template<
    typename CharT,
    typename Traits,
    auto R,
    auto PO,
    typename Rep>
requires (PO == default_point_origin®)
std::basic_ostream<CharT, Traits>&
operator<<(
    std::basic_ostream<CharT, Traits>& os,
    quantity_point<R, PO, Rep> const& qp)
requires requires { os << qp.quantity_from_zero(); };

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Return Value

os

Parameters

Name

Description

os

the output stream to write to

d

the dimension to render

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