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23 lines
595 B
C++
23 lines
595 B
C++
#pragma once
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#include <charconv>
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#include <functional>
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#include <string_view>
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namespace aoc2019 {
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template<typename T>
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inline std::from_chars_result from_chars(std::string_view str, T& value) {
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return std::from_chars(str.data(), str.data() + str.size(), value);
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}
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template<typename T>
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void combine_hash(std::size_t& seed, const T& o) {
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// Algorithm taken from boost::combine_hash.
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std::hash<T> hash{};
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seed ^= hash(o) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
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}
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std::string_view strtok(std::string_view &str, char token = ',');
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}
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