#include <quantities.h>

Public Types
using	ratio = R
	The ratio this prefix is about. More...

Static Public Member Functions
static constexpr auto	names (bool Long=false)
	Returns the unit symbol (`Long` `false`) or name (`Long` `true`). More...

static constexpr auto	symbol ()
	Returns the symbol of the prefix. More...

static constexpr auto	name ()
	Returns the full name of the prefix. More...

Detailed Description

template<typename R>
struct util::quantities::concepts::Prefix< R >

Definition at line 378 of file quantities.h.

Member Typedef Documentation

template<typename R >

using util::quantities::concepts::Prefix< R >::ratio = R

The ratio this prefix is about.

Definition at line 379 of file quantities.h.

Member Function Documentation

template<typename R >

static constexpr auto util::quantities::concepts::Prefix< R >::name ( )

inlinestatic

Returns the full name of the prefix.

Definition at line 388 of file quantities.h.

388 { return names(true); }

util::quantities::concepts::Prefix::names

static constexpr auto names(bool Long=false)

Returns the unit symbol (Long false) or name (Long true).

Definition: quantities.h:1251

template<typename R >

constexpr auto util::quantities::concepts::Prefix< R >::names ( bool Long = false )

static

Returns the unit symbol (Long false) or name (Long true).

Definition at line 1251 of file quantities.h.

 {
   if constexpr(std::is_same<ratio, std::tera>())
     return Long? "tera"sv: "T"sv;
   if constexpr(std::is_same<ratio, std::giga>())
     return Long? "giga"sv: "G"sv;
   if constexpr(std::is_same<ratio, std::mega>())
     return Long? "mega"sv: "M"sv;
   if constexpr(std::is_same<ratio, std::kilo>())
     return Long? "kilo"sv: "k"sv;
   if constexpr(std::is_same<ratio, std::ratio<1>>())
     return ""sv;
   if constexpr(std::is_same<ratio, std::deci>())
     return Long? "deci"sv: "d"sv;
   if constexpr(std::is_same<ratio, std::centi>())
     return Long? "centi"sv: "c"sv;
   if constexpr(std::is_same<ratio, std::milli>())
     return Long? "milli"sv: "m"sv;
   if constexpr(std::is_same<ratio, std::micro>())
     return Long? "micro"sv: "u"sv;
   if constexpr(std::is_same<ratio, std::nano>())
     return Long? "nano"sv:  "n"sv;
   if constexpr(std::is_same<ratio, std::pico>())
     return Long? "pico"sv:  "p"sv;
   if constexpr(std::is_same<ratio, std::femto>())
     return Long? "femto"sv: "f"sv;
   // TODO complete the long list of prefixes
 
   // backup; can't use `to_string()` because of `constexpr` requirement
   return Long? "???"sv:  "?"sv;
 } // util::quantities::concepts::Prefix<R>::names()