mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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95 lines
3.4 KiB
C++
95 lines
3.4 KiB
C++
#ifndef SPROUT_ALGORITHM_FIXED_GENERATE_HPP
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#define SPROUT_ALGORITHM_FIXED_GENERATE_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/container/traits.hpp>
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#include <sprout/container/functions.hpp>
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#include <sprout/algorithm/fixed/result_of.hpp>
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#include <sprout/generator/functions.hpp>
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#include <sprout/pit.hpp>
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#include <sprout/detail/container_complate.hpp>
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namespace sprout {
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namespace fixed {
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namespace detail {
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template<typename Container, typename Next, typename... Args>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Container>::static_size == sizeof...(Args) + 1,
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typename sprout::fixed::result_of::algorithm<Container>::type
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>::type
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generate_impl_1(
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Container const& cont, Next const& next,
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typename sprout::container_traits<Container>::size_type size,
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Args const&... args
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)
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{
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return sprout::remake<Container>(cont, size, args..., sprout::generators::generated_value(next));
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}
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template<typename Container, typename Next, typename... Args>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Container>::static_size != sizeof...(Args) + 1,
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typename sprout::fixed::result_of::algorithm<Container>::type
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>::type
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generate_impl_1(
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Container const& cont, Next const& next,
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typename sprout::container_traits<Container>::size_type size,
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Args const&... args
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)
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{
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return sizeof...(Args) + 1 < size
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? sprout::fixed::detail::generate_impl_1(
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cont, sprout::generators::next_generator(next)(), size,
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args..., sprout::generators::generated_value(next)
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)
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: sprout::detail::container_complate(cont, args..., sprout::generators::generated_value(next))
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;
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}
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template<typename Container, typename Generator>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Container>::static_size == 0,
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typename sprout::fixed::result_of::algorithm<Container>::type
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>::type
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generate_impl(
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Container const& cont, Generator const& next,
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typename sprout::container_traits<Container>::size_type size
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)
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{
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return sprout::remake<Container>(cont, size);
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}
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template<typename Container, typename Generator>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Container>::static_size != 0,
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typename sprout::fixed::result_of::algorithm<Container>::type
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>::type
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generate_impl(
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Container const& cont, Generator const& gen,
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typename sprout::container_traits<Container>::size_type size
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)
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{
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return size > 0
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? sprout::fixed::detail::generate_impl_1(cont, gen(), size)
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: sprout::detail::container_complate(cont)
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;
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}
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} // namespace detail
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//
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// generate
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//
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template<typename Container, typename Generator>
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inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Container>::type
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generate(Container const& cont, Generator const& gen) {
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return sprout::fixed::detail::generate_impl(cont, gen, sprout::size(cont));
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}
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template<typename Container, typename Generator>
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inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Container>::type
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generate(Generator const& gen) {
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return sprout::fixed::generate(sprout::pit<Container>());
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}
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} // namespace fixed
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using sprout::fixed::generate;
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} // namespace sprout
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#endif // #ifndef SPROUT_ALGORITHM_FIXED_GENERATE_HPP
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