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patch 8.2.4304: Vim9: slice() makes a copy but doesn't change the type

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Problem:    Vim9: slice() makes a copy but doesn't change the type.
Solution:   Change the declared type like copy(). (closes #9696)
This commit is contained in:
Bram Moolenaar
2022-02-05 19:23:18 +00:00
parent cd53eed2c5
commit 00eb99528e
3 changed files with 27 additions and 1 deletions
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23
src/evalfunc.c
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@@ -1169,6 +1169,27 @@ ret_first_arg(int argcount,
return &t_void;
}
static type_T *
ret_slice(int argcount,
type2_T *argtypes,
type_T **decl_type)
{
if (argcount > 0)
{
if (argtypes[0].type_decl != NULL)
{
switch (argtypes[0].type_decl->tt_type)
{
case VAR_STRING: *decl_type = &t_string; break;
case VAR_BLOB: *decl_type = &t_blob; break;
case VAR_LIST: *decl_type = &t_list_any; break;
default: break;
}
}
return argtypes[0].type_curr;
}
return &t_void;
}
static type_T *
ret_copy(int argcount,
type2_T *argtypes,
type_T **decl_type)
@@ -2292,7 +2313,7 @@ static funcentry_T global_functions[] =
{"sinh", 1, 1, FEARG_1, arg1_float_or_nr,
ret_float, FLOAT_FUNC(f_sinh)},
{"slice", 2, 3, FEARG_1, arg23_slice,
ret_first_arg, f_slice},
ret_slice, f_slice},
{"sort", 1, 3, FEARG_1, arg13_sortuniq,
ret_first_arg, f_sort},
{"sound_clear", 0, 0, 0, NULL,

3
src/testdir/test_vim9_builtin.vim
View File

@@ -3619,6 +3619,9 @@ def Test_slice()
assert_equal([], slice(range(6), 1, -5))
assert_equal([], slice(range(6), 1, -6))
var lds: list<dict<string>> = [{key: 'value'}]
assert_equal(['val'], lds->slice(0, 1)->map((_, v) => 'val'))
assert_equal(0z1122334455, slice(0z001122334455, 1))
assert_equal(0z112233, slice(0z001122334455, 1, 4))
assert_equal(0z11223344, slice(0z001122334455, 1, -1))

2
src/version.c
View File

@@ -746,6 +746,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
4304,
/**/
4303,
/**/