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29 lines
657 B
C
29 lines
657 B
C
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// -*-mode:c++;indent-tabs-mode:nil;c-basic-offset:4;tab-width:8;coding:utf-8-*-
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// vi: set et ft=cpp ts=4 sts=4 sw=4 fenc=utf-8 :vi
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#ifndef CTL_ACCUMULATE_H_
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#define CTL_ACCUMULATE_H_
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namespace ctl {
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template<class InputIt, class T>
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constexpr T
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accumulate(InputIt first, InputIt last, T init)
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{
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for (; first != last; ++first)
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init = init + *first;
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return init;
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}
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template<class InputIt, class T, class BinaryOperation>
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constexpr T
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accumulate(InputIt first, InputIt last, T init, BinaryOperation op)
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{
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for (; first != last; ++first)
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init = op(init, *first);
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return init;
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}
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} // namespace ctl
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#endif // CTL_ACCUMULATE_H_
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