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patch 8.2.1698: cannot lock a variable in legacy Vim script like in Vim9

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Problem:    Cannot lock a variable in legacy Vim script like in Vim9.
Solution:   Make ":lockvar 0" work.
This commit is contained in:
Bram Moolenaar
2020-09-16 21:08:28 +02:00
parent 7707228aac
commit a187c43cfe
11 changed files with 93 additions and 44 deletions
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8
src/testdir/test_const.vim
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@@ -215,6 +215,14 @@ func Test_lockvar()
if 0 | lockvar x | endif
let x = 'again'
let val = [1, 2, 3]
lockvar 0 val
let val[0] = 9
call assert_equal([9, 2, 3], val)
call add(val, 4)
call assert_equal([9, 2, 3, 4], val)
call assert_fails('let val = [4, 5, 6]', 'E1122:')
endfunc