Re: [Quantity-users] Re: [Quantity-devel] generating a list of all units for a certain quantity

[Kai L. <kai...@un...>]

more details...

> Ok - works fine. But how can one generate the Unit of a physical
> quantity with a string?
> I tried the following, e.g.
>
> using namespace Quantities
>
> ...
>
> Concentration(0.01,*(Concentration::AllUnits::unit(unit)))

the argument 'unit' is a string, dynamically acquired by
a GUI.

>
> ...
>
> and got the error message:

y/Variable.h: In constructor
`Quantities::Variable<Quantities::Quantity<GT, Loki::Typelist<U, UTail>,
DU, DT>, U>::Variable(DT, const NU&) [with NU =3D
Units::Unit<Quantities::ConcentrationGroup, double>, GT =3D
Quantities::ConcentrationGroup, Head =3D
Quantities::ConcentrationUnits::MolePerLitre, Tail =3D
Loki::Typelist<Quantities::ConcentrationUnits::MilliMolePerLitre,
Loki::NullType>, DU =3D Quantities::ConcentrationUnits::MolePerLitre, U =3D
Quantities::ConcentrationUnits::MolePerLitre, DT =3D double]':modelParame=
tersDialog.cpp:328:   instantiated from here

> antity/Variable.h:125: error: incomplete type 'Units::UnitError<true>'
> cannot be used to name a scope


Kai

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Kai Ludwig
Institut f=FCr Organische Chemie
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72076 T=FCbingen
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Mail: kai...@un...