patch 9.0.1885: Vim9: no support for abstract methodsv9.0.1885

Problem:  Vim9: no support for abstract methods
Solution: Add support for defining abstract methods in an abstract class

closes: #13044
closes: #13046

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/vim.h b/src/vim.h
index 265fd738e2..6b05a2ae67 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -2915,5 +2915,6 @@ long elapsed(DWORD start_tick);
 // Flags used by "class_flags" of define_function()
 #define CF_CLASS	1	// inside a class
 #define CF_INTERFACE	2	// inside an interface
+#define CF_ABSTRACT_METHOD	4	// inside an abstract class
 
 #endif // VIM__H