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/*
* This source code is released into the public domain.
*/
module;
#include <algorithm>
#include <locale>
#include <ranges>
#include <string>
export module nihil.util:skipws;
import :ctype;
namespace nihil {
/*
* Remove leading whitespace from a string.
*/
export template<typename Char> [[nodiscard]]
auto skipws(std::basic_string_view<Char> text,
std::locale const &locale = std::locale())
-> std::basic_string_view<Char>
{
auto is_space = ctype_is(std::ctype_base::space, locale);
auto nonws = std::ranges::find_if_not(text, is_space);
return {nonws, std::ranges::end(text)};
}
export template<typename Char>
auto skipws(std::basic_string_view<Char> *text,
std::locale const &locale = std::locale())
-> void
{
*text = skipws(*text, locale);
}
} // namespace nihil
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