20 lines
602 B
C++
20 lines
602 B
C++
// SPDX-FileCopyrightText: Copyright (c) 2022 merryhime <https://mary.rs>
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// SPDX-License-Identifier: MIT
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#pragma once
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#include <random>
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#include <type_traits>
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template<typename T>
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T RandInt(T min, T max)
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{
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static_assert(std::is_integral_v<T>, "T must be an integral type.");
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static_assert(!std::is_same_v<T, signed char> && !std::is_same_v<T, unsigned char>,
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"Using char with uniform_int_distribution is undefined behavior.");
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static std::random_device rd;
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static std::mt19937 mt(rd());
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std::uniform_int_distribution<T> rand(min, max);
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return rand(mt);
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}
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