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https://github.com/bolero-MURAKAMI/Sprout.git
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20 lines
456 B
C++
20 lines
456 B
C++
#ifndef SPROUT_CWCHAR_WCSCSPN_HPP
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#define SPROUT_CWCHAR_WCSCSPN_HPP
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#include <cstddef>
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#include <sprout/config.hpp>
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#include <sprout/cwchar/wcschr.hpp>
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namespace sprout {
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//
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// wcscspn
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//
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inline SPROUT_CONSTEXPR std::size_t
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wcscspn(wchar_t const* s1, wchar_t const* s2) {
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return !*s1 || sprout::wcschr(s2, *s1) ? 0
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: 1 + sprout::wcscspn(s1 + 1, s2)
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;
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_CWCHAR_WCSCSPN_HPP
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