mpusz/mp-units
1
0
Fork 1
mirror of https://github.com/mpusz/mp-units.git synced 2026-02-13 10:29:14 +01:00
Code Issues Packages Projects Releases Wiki Activity

refactor: quantity_cast constraints improved

Browse Source
This commit is contained in:
Mateusz Pusz
2025-12-29 18:24:17 +01:00
parent 6bb179adce
commit 4fb1bc4f35
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/core/include/mp-units/framework/quantity_cast.h
View File

@@ -58,7 +58,8 @@ namespace mp_units {
* @tparam ToQS a quantity specification to use for a target quantity
*/
template<QuantitySpec auto ToQS, typename FwdQ, Quantity Q = std::remove_cvref_t<FwdQ>>
requires(castable(Q::quantity_spec, ToQS)) && (MP_UNITS_WEAK_UNIT_OF(MP_UNITS_NONCONST_TYPE(Q::unit), ToQS))
requires(castable(Q::quantity_spec, ToQS)) &&
requires { typename quantity<make_reference(ToQS, Q::unit), typename Q::rep>; }
[[nodiscard]] constexpr Quantity auto quantity_cast(FwdQ&& q)
{
return quantity{std::forward<FwdQ>(q).numerical_value_is_an_implementation_detail_, make_reference(ToQS, Q::unit)};