AK: Add FlyString::is_one_of for variadic string comparison

1 files changed, 6 insertions, 0 deletions

diff --git a/AK/FlyString.h b/AK/FlyString.h
index a2e68cef47..f6f09b2122 100644
--- a/AK/FlyString.h
+++ b/AK/FlyString.h
@@ -58,6 +58,12 @@ public:
     // Compare this FlyString against another string with ASCII caseless matching.
     [[nodiscard]] bool equals_ignoring_ascii_case(FlyString const&) const;
 
+    template<typename... Ts>
+    [[nodiscard]] ALWAYS_INLINE constexpr bool is_one_of(Ts... strings) const
+    {
+        return (... || this->operator==(forward<Ts>(strings)));
+    }
+
 private:
     // This will hold either the pointer to the Detail::StringData it represents or the raw bytes of
     // an inlined short string.