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patch 8.2.2073: Vim9: for with unpack only works for local variables

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Problem:    Vim9: for with unpack only works for local variables.
Solution:   Recognize different destinations.
This commit is contained in:
Bram Moolenaar
2020-12-01 16:30:44 +01:00
parent 004d9b00ba
commit 4b8a065145
3 changed files with 322 additions and 230 deletions
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57
src/testdir/test_vim9_script.vim
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@@ -1863,22 +1863,49 @@ def Test_for_loop_fails()
enddef
def Test_for_loop_unpack()
var result = []
for [v1, v2] in [[1, 2], [3, 4]]
result->add(v1)
result->add(v2)
endfor
assert_equal([1, 2, 3, 4], result)
result = []
for [v1, v2; v3] in [[1, 2], [3, 4, 5, 6]]
result->add(v1)
result->add(v2)
result->add(v3)
endfor
assert_equal([1, 2, [], 3, 4, [5, 6]], result)
var lines =<< trim END
var result = []
for [v1, v2] in [[1, 2], [3, 4]]
result->add(v1)
result->add(v2)
endfor
assert_equal([1, 2, 3, 4], result)
result = []
for [v1, v2; v3] in [[1, 2], [3, 4, 5, 6]]
result->add(v1)
result->add(v2)
result->add(v3)
endfor
assert_equal([1, 2, [], 3, 4, [5, 6]], result)
result = []
for [&ts, &sw] in [[1, 2], [3, 4]]
result->add(&ts)
result->add(&sw)
endfor
assert_equal([1, 2, 3, 4], result)
var slist: list<string>
for [$LOOPVAR, @r, v:errmsg] in [['a', 'b', 'c'], ['d', 'e', 'f']]
slist->add($LOOPVAR)
slist->add(@r)
slist->add(v:errmsg)
endfor
assert_equal(['a', 'b', 'c', 'd', 'e', 'f'], slist)
slist = []
for [g:globalvar, b:bufvar, w:winvar, t:tabvar] in [['global', 'buf', 'win', 'tab'], ['1', '2', '3', '4']]
slist->add(g:globalvar)
slist->add(b:bufvar)
slist->add(w:winvar)
slist->add(t:tabvar)
endfor
assert_equal(['global', 'buf', 'win', 'tab', '1', '2', '3', '4'], slist)
END
CheckDefAndScriptSuccess(lines)
lines =<< trim END
for [v1, v2] in [[1, 2, 3], [3, 4]]
echo v1 v2
endfor