patch 8.2.2373: Vim9: list assignment only accepts a number index
Problem: Vim9: list assignment only accepts a number index.
Solution: Accept "any" and do a runtime type check. (closes #7694)
diff --git a/src/testdir/test_vim9_assign.vim b/src/testdir/test_vim9_assign.vim
index c035558..20bdb91 100644
--- a/src/testdir/test_vim9_assign.vim
+++ b/src/testdir/test_vim9_assign.vim
@@ -350,7 +350,7 @@
var lines: list<string>
lines['a'] = 'asdf'
END
- CheckDefFailure(lines, 'E39:', 2)
+ CheckDefFailure(lines, 'E1012:', 2)
lines =<< trim END
var lines: string
@@ -561,6 +561,15 @@
CheckDefExecFailure(lines, 'E1147:', 2)
enddef
+def Test_assignment_list_any_index()
+ var l: list<number> = [1, 2]
+ for [x, y, _]
+ in [[0, 1, ''], [1, 3, '']]
+ l[x] = l[x] + y
+ endfor
+ assert_equal([2, 5], l)
+enddef
+
def Test_assignment_list_vim9script()
var lines =<< trim END
vim9script
@@ -1405,7 +1414,7 @@
CheckDefExecFailure([
'var ll = [1]',
'unlet ll[g:astring]',
- ], 'E39:', 2)
+ ], 'E1012:', 2)
CheckDefExecFailure([
'var dd = test_null_dict()',
'unlet dd["a"]',