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refactor(example): [[nodiscard]] added for currency

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Mateusz Pusz
2023-05-16 15:00:18 +02:00
parent 978ce4093a
commit 9d085cbe7e
1 changed files with 3 additions and 3 deletions
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6
example/currency.cpp
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@@ -45,7 +45,7 @@ static_assert(!std::equality_comparable_with<quantity<euro, int>, quantity<us_do
// if you have only a few currencies to handle // if you have only a few currencies to handle
template<Unit auto From, Unit auto To> template<Unit auto From, Unit auto To>
double exchange_rate() [[nodiscard]] double exchange_rate()
{ {
if constexpr (From == us_dollar && To == euro) return 0.9215; if constexpr (From == us_dollar && To == euro) return 0.9215;
else if constexpr (From == euro && To == us_dollar) return 1.0848; else if constexpr (From == euro && To == us_dollar) return 1.0848;
@@ -54,10 +54,10 @@ double exchange_rate()
#else #else
std::string_view to_string_view(Unit auto u) { return u.symbol.ascii().c_str(); } [[nodiscard]] std::string_view to_string_view(Unit auto u) { return u.symbol.ascii().c_str(); }
template<Unit auto From, Unit auto To> template<Unit auto From, Unit auto To>
double exchange_rate() [[nodiscard]] double exchange_rate()
{ {
static std::map<std::pair<std::string_view, std::string_view>, double> rates = { static std::map<std::pair<std::string_view, std::string_view>, double> rates = {
{{"USD", "EUR"}, 0.9215}, {{"EUR", "USD"}, 1.0848}, {{"USD", "EUR"}, 0.9215}, {{"EUR", "USD"}, 1.0848},