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b6bde7322c
672f7ad747ecc6e04472f96fa88332be1f39d39b doc: remove usages of C++11 (fanquake)
Pull request description:
These were new in C++11, and now they are just our standard library.
ACKs for top commit:
jarolrod:
re-ACK 672f7ad747ecc6e04472f96fa88332be1f39d39b
hebasto:
re-ACK 672f7ad747ecc6e04472f96fa88332be1f39d39b
Tree-SHA512: 7e3b8b0346ba29b19e6d8536700ca510e2b543cdeecd9e740bba71ea6d0133dd96cdaeaa00f371f8ef85913ff5aaabe12878255f393dac7d354a8b89b58d050a
40 lines
756 B
C++
40 lines
756 B
C++
// Taken from https://gist.github.com/arvidsson/7231973
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#ifndef BITCOIN_REVERSE_ITERATOR_H
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#define BITCOIN_REVERSE_ITERATOR_H
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/**
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* Template used for reverse iteration in range-based for loops.
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*
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* std::vector<int> v = {1, 2, 3, 4, 5};
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* for (auto x : reverse_iterate(v))
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* std::cout << x << " ";
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*/
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template <typename T>
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class reverse_range
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{
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T &m_x;
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public:
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explicit reverse_range(T &x) : m_x(x) {}
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auto begin() const -> decltype(this->m_x.rbegin())
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{
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return m_x.rbegin();
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}
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auto end() const -> decltype(this->m_x.rend())
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{
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return m_x.rend();
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}
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};
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template <typename T>
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reverse_range<T> reverse_iterate(T &x)
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{
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return reverse_range<T>(x);
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}
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#endif // BITCOIN_REVERSE_ITERATOR_H
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