lssa
/
src
/
ob
/
algorithm.hh
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121/*
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888888 8888888888 888888
888 8888 8888 888
888 888
OCTOBANANA
Algorithm
0.1.0-develop
Licensed under the MIT License
Copyright (c) 2018-2019 Brett Robinson <https://octobanana.com/>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#ifndef OB_ALGORITHM_HH
#define OB_ALGORITHM_HH
#include <cstddef>
#include <functional>
namespace OB::Algorithm
{
template<typename Op>
void for_each(std::size_t const cn, Op const& op)
{
if (cn == 0)
{
return;
}
for (std::size_t i = 0; i < cn; ++i)
{
op(i);
}
}
template<typename Cn, typename Op>
void for_each(Cn const& cn, Op const& op)
{
if (cn.empty())
{
return;
}
for (std::size_t i = 0; i < cn.size(); ++i)
{
op(cn[i]);
}
}
template<typename Cn, typename Op1, typename Op2>
void for_each(Cn const& cn, Op1 const& op_n, Op2 const& op_l)
{
if (cn.empty())
{
return;
}
for (std::size_t i = 0; i < cn.size() - 1; ++i)
{
op_n(cn[i]);
}
op_l(cn.back());
}
template<typename Op1, typename Op2>
void for_each(std::size_t const& n, Op1 const& op_n, Op2 const& op_l)
{
if (n == 0)
{
return;
}
for (std::size_t i = 0; i < n - 1; ++i)
{
op_n(i);
}
op_l(n - 1);
}
} // namespace OB::Algorithm
#endif // OB_ALGORITHM_HH