AK+Kernel: Add StringBuilder::append overload for UTF-16 views

Currently, to append a UTF-16 view to a StringBuilder, callers must
first convert the view to UTF-8 and then append the copy. Add a UTF-16
overload so callers do not need to hold an entire copy in memory.

1 files changed, 2 insertions, 0 deletions

diff --git a/Kernel/CMakeLists.txt b/Kernel/CMakeLists.txt
index 1ac315a2d8..b0b12804f9 100644
--- a/Kernel/CMakeLists.txt
+++ b/Kernel/CMakeLists.txt
@@ -312,6 +312,8 @@ set(AK_SOURCES
     ../AK/Time.cpp
     ../AK/Format.cpp
     ../AK/UUID.cpp
+    ../AK/Utf8View.cpp
+    ../AK/Utf16View.cpp
 )
 
 set(ELF_SOURCES