82 lines
1.8 KiB
C++
82 lines
1.8 KiB
C++
#include "tuple/type.hpp"
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#include "tuple/value.hpp"
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#include "tap.hpp"
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#include <array>
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#include <typeindex>
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#include <vector>
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template <typename T>
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struct int_mapper
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{
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typedef int type;
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};
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int
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main ()
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{
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util::TAP::logger tap;
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static_assert (
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util::tuple::type::index<
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std::tuple<float,int,void>,
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int
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>::value == 1
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);
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{
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auto tuple = std::make_tuple (1,2,3,4);
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std::vector<int> expected {{ 1, 2, 3, 4 }};
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std::vector<int> actual;
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util::tuple::value::each ([&actual] (auto i) { actual.push_back (i); }, tuple);
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tap.expect_eq (actual, expected, "value iteration");
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}
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{
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#if !defined(NO_RTTI)
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auto tuple = std::make_tuple (1u, 1, 1.f, 1.);
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std::vector<std::type_index> expected {
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std::type_index (typeid (1u)),
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std::type_index (typeid (1)),
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std::type_index (typeid (1.f)),
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std::type_index (typeid (1.))
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};
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std::vector<std::type_index> actual;
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util::tuple::type::each<decltype(tuple)> ([&actual] (auto i) {
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actual.push_back (typeid (typename decltype(i)::type));
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});
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tap.expect_eq (actual, expected, "type iteration");
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#else
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tap.skip ("type iteration because no-rtti");
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#endif
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}
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{
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using src_t = std::tuple<std::string>;
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using dst_t = typename util::tuple::type::map<src_t, int_mapper>::type;
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tap.expect (std::is_same<dst_t, std::tuple<int>>::value, "tuple type mapping");
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}
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{
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std::tuple a (1, 2);
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std::array<char,2> b { 'a', 'b' };
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std::tuple c (
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std::tuple(1, 'a'),
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std::tuple(2, 'b')
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);
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tap.expect_eq (c, util::tuple::value::zip (a, b), "tuple zipping");
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}
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return tap.status ();
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}
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