patch 8.2.2080: Vim9: no proper error message for using s:var in for loop
Problem: Vim9: no proper error message for using s:var in for loop.
Solution: Give a specific error.
diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index 0139696..e8778c8 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -1884,6 +1884,27 @@
CheckDefFailure(['for i in range(3)', 'echo 3'], 'E170:')
enddef
+def Test_for_loop_script_var()
+ # cannot use s:var in a :def function
+ CheckDefFailure(['for s:var in range(3)', 'echo 3'], 'E1101:')
+
+ # can use s:var in Vim9 script, with or without s:
+ var lines =<< trim END
+ vim9script
+ var total = 0
+ for s:var in [1, 2, 3]
+ total += s:var
+ endfor
+ assert_equal(6, total)
+
+ total = 0
+ for var in [1, 2, 3]
+ total += var
+ endfor
+ assert_equal(6, total)
+ END
+enddef
+
def Test_for_loop_unpack()
var lines =<< trim END
var result = []