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test: codify comment

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Johel Ernesto Guerrero Peña
2020-09-05 22:39:34 -04:00
committed by Mateusz Pusz
parent 45cf2dcf88
commit aff83b31dc
1 changed files with 3 additions and 0 deletions
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test/unit_test/static/unit_test.cpp
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@@ -40,6 +40,9 @@ struct hour : named_scaled_unit<hour, "h", no_prefix, ratio(36, 1, 2), second> {
struct dim_time : base_dimension<"time", second> {};
struct kelvin : named_unit<kelvin, "K", no_prefix> {};
#if COMP_MSVC || COMP_GCC >= 10
static_assert([]<Prefix R>() { return !requires { typename prefixed_unit<kelvin, R, kelvin>; }; }.template operator()<si::kilo>()); // negative unit ratio
#endif
// struct kilokelvin : prefixed_unit<kilokelvin, si::kilo, kelvin> {}; // should not compile (prefix not allowed for this reference unit)
struct metre_per_second : unit<metre_per_second> {};