patch 8.2.2308: Vim9: no error when assigning lambda to funcref
Problem: Vim9: no error when assigning lambda to funcref without return
value.
Solution: Default return value to "any". (closes #7629)
diff --git a/src/testdir/test_vim9_assign.vim b/src/testdir/test_vim9_assign.vim
index 2a21ca0..2d137a3 100644
--- a/src/testdir/test_vim9_assign.vim
+++ b/src/testdir/test_vim9_assign.vim
@@ -1091,6 +1091,13 @@
assert_equal(123, FuncRef_Any())
END
CheckScriptSuccess(lines)
+
+ lines =<< trim END
+ var Ref: func(number)
+ Ref = (j) => !j
+ END
+ CheckDefFailure(lines, 'E1012: Type mismatch; expected func(number) but got func(any): bool')
+ CheckScriptFailure(['vim9script'] + lines, 'E1012: Type mismatch; expected func(number) but got func(any): any')
enddef
def Test_heredoc()
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index c26f2af..9f19ebd 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -1508,7 +1508,7 @@
'delfunc g:NotExist'], 'E700:')
enddef
-def RefFunc(Ref: func(string): string): string
+def RefFunc(Ref: func(any): any): string
return Ref('more')
enddef