gcc: fix template deduction warning

spyridon97 · spyridon97 · commit a3a1474629d5 · 2025-04-01T16:14:21.000-04:00
warning: 'basic_string_view' may not intend to support class template argument deduction [-Wctad-maybe-unsupported]
diff --git a/include/scn/scan.h b/include/scn/scan.h
@@ -5326,7 +5326,8 @@ template <typename Range,
 auto impl(const Range& r, priority_tag<2>)
 {
     if constexpr (is_valid_char_type<detail::char_t<Range>>) {
-        return std::basic_string_view{ranges::data(r), ranges::size(r)};
+        return std::basic_string_view<detail::char_t<Range>>{ranges::data(r),
+                                                             ranges::size(r)};
     }
     else {
         return invalid_char_type{};

Original file line number	Diff line number	Diff line change
`@@ -5326,7 +5326,8 @@ template <typename Range,`
`5326`	`5326`	`auto impl(const Range& r, priority_tag<2>)`
`5327`	`5327`	`{`
`5328`	`5328`	`if constexpr (is_valid_char_type<detail::char_t<Range>>) {`
`5329`		`- return std::basic_string_view{ranges::data(r), ranges::size(r)};`
	`5329`	`+ return std::basic_string_view<detail::char_t<Range>>{ranges::data(r),`
	`5330`	`+ ranges::size(r)};`
`5330`	`5331`	`}`
`5331`	`5332`	`else {`
`5332`	`5333`	`return invalid_char_type{};`