Roland Conybeare
60f796b770
subrepo: subdir: "xo-unit" merged: "f1e698bf" upstream: origin: "git@github.com:Rconybea/xo-unit.git" branch: "main" commit: "f1e698bf" git-subrepo: version: "0.4.9" origin: "???" commit: "???"
30 lines
730 B
C++
30 lines
730 B
C++
/** @file ex4.cpp **/
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#include "xo/unit/quantity.hpp"
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#include "xo/unit/quantity_iostream.hpp"
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#include <iostream>
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int
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main () {
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namespace q = xo::qty::qty;
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auto t1 = q::milliseconds(1);
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auto t2 = q::minutes(1);
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auto r1 = t1 / with_repr<double>(t2);
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static_assert(r1.is_dimensionless());
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static_assert(!t2.is_dimensionless());
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static_assert(std::same_as<decltype(static_cast<double>(r1)), double>);
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/* r1_value: assignment compiles, since r1 dimensionless */
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double r1_value = r1;
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/* r2_value: assignment won't compile, 'cannot convert' error */
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//double r2_value = t2;
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std::cerr << "t1: " << t1 << ", t2: " << t2 << ", t1/t2: " << r1 << std::endl;
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}
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/** end ex4.cpp */
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