move everything from util to core

1 files changed, 26 insertions, 0 deletions

diff --git a/nihil.core/skipws.ccm b/nihil.core/skipws.ccm
new file mode 100644
index 0000000..3901120
--- /dev/null
+++ b/nihil.core/skipws.ccm
@@ -0,0 +1,26 @@
+// This source code is released into the public domain.
+export module nihil.core:skipws;
+
+import nihil.std;
+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