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30 lines
695 B
C
30 lines
695 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_INTEGRAL_CONSTANT_H_
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#define CTL_INTEGRAL_CONSTANT_H_
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namespace ctl {
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template<class T, T v>
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struct integral_constant
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{
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static constexpr T value = v;
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typedef T value_type;
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typedef integral_constant type;
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constexpr operator value_type() const noexcept
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{
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return value;
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}
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constexpr value_type operator()() const noexcept
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{
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return value;
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}
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};
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typedef integral_constant<bool, true> true_type;
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typedef integral_constant<bool, false> false_type;
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} // namespace ctl
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#endif // CTL_INTEGRAL_CONSTANT_H_
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