tvl-depot/third_party/immer/benchmark/set/unsigned/generator.ipp
Vincent Ambo 1213b086a1 merge(3p/immer): Subtree merge at 'ad3e3556d' as 'third_party/immer'
Change-Id: I9636a41ad44b4218293833fd3e9456d9b07c731b
2020-07-15 08:23:32 +01:00

32 lines
792 B
C++

//
// immer: immutable data structures for C++
// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
//
// This software is distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
//
#include <random>
#include <vector>
#include <cassert>
#include <functional>
#include <algorithm>
#define GENERATOR_T generate_unsigned
namespace {
struct GENERATOR_T
{
auto operator() (std::size_t runs) const
{
assert(runs > 0);
auto engine = std::default_random_engine{42};
auto dist = std::uniform_int_distribution<unsigned>{};
auto r = std::vector<unsigned>(runs);
std::generate_n(r.begin(), runs, std::bind(dist, engine));
return r;
}
};
} // namespace