Patrick Wuttke
a1f1717e22
Added map() function for creating a mapping iterator. Added mijin::pipe types for map() and join().
69 lines
1.1 KiB
C++
69 lines
1.1 KiB
C++
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#pragma once
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#if !defined(MIJIN_UTIL_STRING_HPP_INCLUDED)
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#define MIJIN_UTIL_STRING_HPP_INCLUDED 1
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#include <iterator>
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#include <sstream>
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#include <string>
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namespace mijin
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{
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//
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// public defines
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//
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//
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// public constants
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//
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//
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// public types
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//
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//
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// public functions
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//
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template <typename TRange, typename TValue = typename TRange::value_type>
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std::string join(const TRange& elements, const char* const delimiter)
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{
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std::ostringstream oss;
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auto first = std::begin(elements);
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auto last = std::end(elements);
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if (first != last)
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{
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std::copy(first, std::prev(last), std::ostream_iterator<TValue>(oss, delimiter));
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first = prev(last);
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}
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if (first != last)
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{
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oss << *first;
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}
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return oss.str();
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}
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namespace pipe
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{
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struct Join
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{
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const char* delimiter;
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explicit Join(const char* delimiter_) noexcept : delimiter(delimiter_) {}
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};
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template<typename TIterable>
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auto operator|(TIterable&& iterable, const Join& joiner)
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{
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return join(std::forward<TIterable>(iterable), joiner.delimiter);
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}
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}
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} // namespace mijin
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#endif // !defined(MIJIN_UTIL_STRING_HPP_INCLUDED)
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