AK: Add formatters for Span<T> and Span<T const>

This generalizes the formatter currently used for Vector to be usable
for any Span.

1 files changed, 23 insertions, 4 deletions

diff --git a/AK/Format.h b/AK/Format.h
index b493b3c557..48682c2dbe 100644
--- a/AK/Format.h
+++ b/AK/Format.h
@@ -329,15 +329,16 @@ struct Formatter<StringView> : StandardFormatter {
     ErrorOr<void> format(FormatBuilder&, StringView);
 };
 
-template<typename T, size_t inline_capacity>
-requires(HasFormatter<T>) struct Formatter<Vector<T, inline_capacity>> : StandardFormatter {
-
+template<typename T>
+requires(HasFormatter<T>)
+struct Formatter<Span<T const>> : StandardFormatter {
     Formatter() = default;
     explicit Formatter(StandardFormatter formatter)
         : StandardFormatter(move(formatter))
     {
     }
-    ErrorOr<void> format(FormatBuilder& builder, Vector<T> value)
+
+    ErrorOr<void> format(FormatBuilder& builder, Span<T const> value)
     {
         if (m_mode == Mode::Pointer) {
             Formatter<FlatPtr> formatter { *this };
@@ -375,6 +376,24 @@ requires(HasFormatter<T>) struct Formatter<Vector<T, inline_capacity>> : Standar
     }
 };
 
+template<typename T>
+requires(HasFormatter<T>)
+struct Formatter<Span<T>> : Formatter<Span<T const>> {
+    ErrorOr<void> format(FormatBuilder& builder, Span<T> value)
+    {
+        return Formatter<Span<T const>>::format(builder, value);
+    }
+};
+
+template<typename T, size_t inline_capacity>
+requires(HasFormatter<T>)
+struct Formatter<Vector<T, inline_capacity>> : Formatter<Span<T const>> {
+    ErrorOr<void> format(FormatBuilder& builder, Vector<T, inline_capacity> const& value)
+    {
+        return Formatter<Span<T const>>::format(builder, value.span());
+    }
+};
+
 template<>
 struct Formatter<ReadonlyBytes> : Formatter<StringView> {
     ErrorOr<void> format(FormatBuilder& builder, ReadonlyBytes value)