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feat(example): unit symbols added to the currency example

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Mateusz Pusz
2023-11-08 15:30:24 -10:00
parent 10600868a2
commit fe15572e90
1 changed files with 12 additions and 1 deletions
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13
example/currency.cpp
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@ -41,6 +41,15 @@ inline constexpr struct great_british_pound : named_unit<"GBP", kind_of<currency
inline constexpr struct japanese_jen : named_unit<"JPY", kind_of<currency>> {} japanese_jen;
// clang-format on
namespace unit_symbols {
inline constexpr auto EUR = euro;
inline constexpr auto USD = us_dollar;
inline constexpr auto GBP = great_british_pound;
inline constexpr auto JPY = japanese_jen;
} // namespace unit_symbols
static_assert(!std::equality_comparable_with<quantity<euro, int>, quantity<us_dollar, int>>);
@ -88,7 +97,9 @@ quantity_point<To, PO, Rep> exchange_to(quantity_point<From, PO, Rep> q)
int main()
{
quantity_point price_usd = zero + 100 * us_dollar;
using namespace unit_symbols;
quantity_point price_usd = zero<currency> + 100 * USD;
quantity_point price_euro = exchange_to<euro>(price_usd);
std::cout << price_usd.quantity_from(zero) << " -> " << price_euro.quantity_from(zero) << "\n";