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support for N3658 (Compile-time integer sequences): index_tuple

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rename: integer_seq -> integer_sequence, make_integer_sequence -> make_integer_sequence
add unsigned-index sequence: index_sequence(alias), make_index_sequence, index_sequence_for
add: integer_pack, index_pack
This commit is contained in:
bolero-MURAKAMI 2013-05-10 19:52:39 +09:00
parent a3aedcf136
commit bb36ef6e8b
24 changed files with 196 additions and 83 deletions
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14
sprout/index_tuple/integer_range.hpp
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@ -3,7 +3,7 @@
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/index_tuple/integer_seq.hpp>
#include <sprout/index_tuple/integer_sequence.hpp>
#include <sprout/index_tuple/enable_make_indexes.hpp>
namespace sprout {
@ -18,15 +18,15 @@ namespace sprout {
template<typename T, typename Seq, T Next>
struct integer_range_next_even;
template<typename T, T... Is, T Next>
struct integer_range_next_even<T, sprout::integer_seq<T, Is...>, Next>
: public sprout::integer_seq<T, Is..., (Is + Next)...>
struct integer_range_next_even<T, sprout::integer_sequence<T, Is...>, Next>
: public sprout::integer_sequence<T, Is..., (Is + Next)...>
{};
template<typename T, typename Seq, T Next, T Tail>
struct integer_range_next_odd;
template<typename T, T... Is, T Next, T Tail>
struct integer_range_next_odd<T, sprout::integer_seq<T, Is...>, Next, Tail>
: public sprout::integer_seq<T, Is..., (Is + Next)..., Tail>
struct integer_range_next_odd<T, sprout::integer_sequence<T, Is...>, Next, Tail>
: public sprout::integer_sequence<T, Is..., (Is + Next)..., Tail>
{};
template<typename T, T First, typename std::make_signed<T>::type Step, typename std::make_unsigned<T>::type N, typename Enable = void>
@ -36,14 +36,14 @@ namespace sprout {
T, First, Step, N,
typename std::enable_if<(N == 0)>::type
>
: public sprout::integer_seq<T>
: public sprout::integer_sequence<T>
{};
template<typename T, T First, typename std::make_signed<T>::type Step, typename std::make_unsigned<T>::type N>
struct integer_range_impl<
T, First, Step, N,
typename std::enable_if<(N == 1)>::type
>
: public sprout::integer_seq<T, First>
: public sprout::integer_sequence<T, First>
{};
template<typename T, T First, typename std::make_signed<T>::type Step, typename std::make_unsigned<T>::type N>
struct integer_range_impl<