29 lines
868 B
C++
29 lines
868 B
C++
#pragma once
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#include <mbgl/util/util.hpp>
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#include <algorithm>
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#include <array>
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#include <cstddef>
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#include <type_traits>
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namespace mbgl {
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namespace util {
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template <typename To, typename From, std::size_t Size, typename = std::enable_if_t<std::is_convertible_v<From, To>>>
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constexpr std::array<To, Size> convert(const std::array<From, Size>& from) {
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std::array<To, Size> to{{}};
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std::copy(std::begin(from), std::end(from), std::begin(to));
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return to;
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}
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template <typename To, typename From, std::size_t Size, typename = std::enable_if_t<std::is_assignable_v<To&, From>>>
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constexpr std::array<To, Size> cast(const std::array<From, Size>& from) {
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std::array<To, Size> to{{}};
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std::transform(std::begin(from), std::end(from), std::begin(to), [](From x) { return static_cast<To>(x); });
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return to;
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}
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} // namespace util
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} // namespace mbgl
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