Length x = 3.0 ft did not compile, see below...
terry
#include
#include
#include
#include
#include <iostream>
#include <iomanip>
using namespace std;
using namespace boost;
using namespace boost::units;
int main() {
typedef quantitysi::length Length;
static const si::length m = si::meter;
Length x = 2.0 * m; // This works!
cout << x << endl;
typedef us::foot_base_unit::unit_type foot_unit;
static const foot_unit ft;
Length y = 3.0 * ft; // This does not compile :o(
cout << y << endl;
return 0;
} // main
// Compiler output...
tjg.cpp
using native typeof
tjg.cpp(21) : error C2440: 'initializing' :
cannot convert from 'units::quantity' to
'units::quantity<Unit>'
with
[
Unit=units::unit<
units::list<
units::dim>,
units::dimensionless_type
>,
units::heterogeneous_system<
units::heterogeneous_system_impl<
units::list<
units::heterogeneous_system_dim<
units::scaled_base_unit<
units::us::yard_base_unit,
units::scale<3, units::static_rational<-1>>
>,
units::static_rational<1>
>,
units::dimensionless_type
>,
units::list<
units::dim>,
units::dimensionless_type
>,
units::dimensionless_type
>
>
,
Y=double
]
and
[
Unit=units::si::length
]
Constructor for class 'units::quantity<Unit>' is declared 'explicit'
with
[
Unit=units::si::length
]
