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join_string_separator.cpp
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46 lines (42 loc) · 1.62 KB
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// ================================================================
// Created by Gregory Kramida (https://github.com/Algomorph) on 1/4/22.
// Copyright (c) 2022 Gregory Kramida
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ================================================================
#include <vector>
#include <string>
#include <sstream>
#include "join_string_separator.h"
namespace nnrt::string {
template <typename Iterator>
std::string join(Iterator begin, Iterator end, const char* separator){
std::ostringstream o;
if(begin != end){
o << *begin++;
for(;begin != end; ++begin){
o << separator << *begin;
}
}
return o.str();
}
template <typename Container>
std::string join(Container const& c, const char* separator) // can pass array as reference, too
{
using std::begin;
using std::end;
return join(begin(c), end(c), separator);
// not using std::... directly:
// there might be a non-std overload that wouldn't be found if we did
}
std::string join(const std::vector<std::string>& strings, const char* separator) {
return join<std::vector<std::string>>(strings, separator);
}
} // namespace nnrt::string