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patch 8.2.1502: Vim9: can use += with a :let command at script level

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Problem:    Vim9: can use += with a :let command at script level.
Solution:   Give an error.
This commit is contained in:
Bram Moolenaar
2020-08-21 21:32:50 +02:00
parent 3fc71285d5
commit 122616d9c1
4 changed files with 13 additions and 4 deletions
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5
src/testdir/test_vim9_script.vim
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@@ -569,7 +569,10 @@ def Test_assignment_failure()
call CheckDefFailure(['let t:var = 5'], 'E1016: Cannot declare a tab variable:')
call CheckDefFailure(['let anr = 4', 'anr ..= "text"'], 'E1019:')
call CheckDefFailure(['let xnr += 4'], 'E1020:')
call CheckDefFailure(['let xnr += 4'], 'E1020:', 1)
call CheckScriptFailure(['vim9script', 'let xnr += 4'], 'E1020:')
call CheckDefFailure(["let xnr = xnr + 1"], 'E1001:', 1)
call CheckScriptFailure(['vim9script', 'let xnr = xnr + 4'], 'E121:')
call CheckScriptFailure(['vim9script', 'def Func()', 'let dummy = s:notfound', 'enddef', 'defcompile'], 'E1108:')