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patch 8.2.4313: Vim9: cannot change type of list after making a slice

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Problem:    Vim9: cannot change type of list after making a slice.
Solution:   Adjust the declared member type. (closes #9696)
This commit is contained in:
Bram Moolenaar
2022-02-06 18:36:53 +00:00
parent 107f7325f6
commit 5f4ef5f5e5
3 changed files with 6 additions and 0 deletions
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1
src/testdir/test_vim9_builtin.vim
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@@ -3626,6 +3626,7 @@ def Test_slice()
var lds: list<dict<string>> = [{key: 'value'}]
assert_equal(['val'], lds->slice(0, 1)->map((_, v) => 'val'))
assert_equal(['val'], lds[ : ]->map((_, v) => 'val'))
assert_equal(0z1122334455, slice(0z001122334455, 1))
assert_equal(0z112233, slice(0z001122334455, 1, 4))

2
src/version.c
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@@ -746,6 +746,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
4313,
/**/
4312,
/**/

3
src/vim9expr.c
View File

@@ -182,6 +182,9 @@ compile_member(int is_slice, int *keeping_dict, cctx_T *cctx)
vartype == VAR_LIST ? ISN_LISTSLICE : ISN_ANYSLICE,
2) == FAIL)
return FAIL;
// a copy is made so the member type is no longer declared
if (typep->type_decl->tt_type == VAR_LIST)
typep->type_decl = &t_list_any;
}
else
{