mirror of
https://github.com/boostorg/yap.git
synced 2026-02-22 16:02:10 +00:00
171 lines
3.8 KiB
C++
171 lines
3.8 KiB
C++
#define BOOST_PROTO17_CONVERSION_OPERATOR_TEMPLATE
|
|
#include "expression.hpp"
|
|
|
|
#include <string>
|
|
|
|
|
|
template <typename T>
|
|
using term = boost::proto17::terminal<T>;
|
|
|
|
namespace bp17 = boost::proto17;
|
|
|
|
|
|
namespace {
|
|
|
|
void compile ()
|
|
{
|
|
using namespace std::literals;
|
|
|
|
// char const * string
|
|
{
|
|
term<double> unity{1.0};
|
|
bp17::expression<
|
|
bp17::expr_kind::plus,
|
|
term<char const *>,
|
|
term<double>
|
|
> unevaluated_expr = "3" + unity;
|
|
}
|
|
|
|
// std::string temporary
|
|
{
|
|
term<double> unity{1.0};
|
|
bp17::expression<
|
|
bp17::expr_kind::plus,
|
|
term<std::string>,
|
|
term<double>
|
|
> unevaluated_expr = "3"s + unity;
|
|
}
|
|
|
|
// arrays
|
|
{
|
|
term<double> unity{1.0};
|
|
int ints[] = {1, 2};
|
|
bp17::expression<
|
|
bp17::expr_kind::plus,
|
|
term<int *>,
|
|
term<double>
|
|
> unevaluated_expr = ints + unity;
|
|
}
|
|
|
|
{
|
|
term<double> unity{1.0};
|
|
int const ints[] = {1, 2};
|
|
bp17::expression<
|
|
bp17::expr_kind::plus,
|
|
term<int const *>,
|
|
term<double>
|
|
> unevaluated_expr = ints + unity;
|
|
}
|
|
|
|
{
|
|
term<double> unity{1.0};
|
|
int ints[] = {1, 2};
|
|
bp17::expression<
|
|
bp17::expr_kind::plus,
|
|
term<int *>,
|
|
term<double>
|
|
> unevaluated_expr = std::move(ints) + unity;
|
|
}
|
|
|
|
// pointers
|
|
{
|
|
term<double> unity{1.0};
|
|
int ints[] = {1, 2};
|
|
int * int_ptr = ints;
|
|
bp17::expression<
|
|
bp17::expr_kind::plus,
|
|
term<int * &>,
|
|
term<double>
|
|
> unevaluated_expr = int_ptr + unity;
|
|
}
|
|
|
|
{
|
|
term<double> unity{1.0};
|
|
int const ints[] = {1, 2};
|
|
int const * int_ptr = ints;
|
|
bp17::expression<
|
|
bp17::expr_kind::plus,
|
|
term<int const * &>,
|
|
term<double>
|
|
> unevaluated_expr = int_ptr + unity;
|
|
}
|
|
|
|
{
|
|
term<double> unity{1.0};
|
|
int ints[] = {1, 2};
|
|
int * int_ptr = ints;
|
|
bp17::expression<
|
|
bp17::expr_kind::plus,
|
|
term<int *>,
|
|
term<double>
|
|
> unevaluated_expr = std::move(int_ptr) + unity;
|
|
}
|
|
|
|
// const pointers
|
|
{
|
|
term<double> unity{1.0};
|
|
int ints[] = {1, 2};
|
|
int * const int_ptr = ints;
|
|
bp17::expression<
|
|
bp17::expr_kind::plus,
|
|
term<int * const &>,
|
|
term<double>
|
|
> unevaluated_expr = int_ptr + unity;
|
|
}
|
|
|
|
{
|
|
term<double> unity{1.0};
|
|
int const ints[] = {1, 2};
|
|
int const * const int_ptr = ints;
|
|
bp17::expression<
|
|
bp17::expr_kind::plus,
|
|
term<int const * const &>,
|
|
term<double>
|
|
> unevaluated_expr = int_ptr + unity;
|
|
}
|
|
|
|
{
|
|
term<double> unity{1.0};
|
|
int ints[] = {1, 2};
|
|
int * const int_ptr = ints;
|
|
bp17::expression<
|
|
bp17::expr_kind::plus,
|
|
term<int * const>,
|
|
term<double>
|
|
> unevaluated_expr = std::move(int_ptr) + unity;
|
|
}
|
|
|
|
// values
|
|
{
|
|
term<double> unity{1.0};
|
|
int i = 1;
|
|
bp17::expression<
|
|
bp17::expr_kind::plus,
|
|
term<int &>,
|
|
term<double>
|
|
> unevaluated_expr = i + unity;
|
|
}
|
|
|
|
{
|
|
term<double> unity{1.0};
|
|
int const i = 1;
|
|
bp17::expression<
|
|
bp17::expr_kind::plus,
|
|
term<int const &>,
|
|
term<double>
|
|
> unevaluated_expr = i + unity;
|
|
}
|
|
|
|
{
|
|
term<double> unity{1.0};
|
|
int i = 1;
|
|
bp17::expression<
|
|
bp17::expr_kind::plus,
|
|
term<int>,
|
|
term<double>
|
|
> unevaluated_expr = std::move(i) + unity;
|
|
}
|
|
}
|
|
|
|
}
|