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patch 8.2.2325: Vim9: crash if map() changes the item type

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Problem:    Vim9: crash if map() changes the item type.
Solution:   Check that the item type is still OK. (closes #7652)
            Fix problem with mapnew() on range list.
This commit is contained in:
Bram Moolenaar
2021-01-10 22:42:50 +01:00
parent 6f02b00bb0
commit 75ab91ff34
8 changed files with 50 additions and 18 deletions
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6
src/testdir/test_vim9_func.vim
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@@ -1763,7 +1763,7 @@ enddef
def Shadowed(): list<number>
var FuncList: list<func: number> = [() => 42]
return FuncList->map((_, Shadowed) => Shadowed())
return FuncList->mapnew((_, Shadowed) => Shadowed())
enddef
def Test_lambda_arg_shadows_func()
@@ -1792,7 +1792,7 @@ enddef
def Line_continuation_in_lambda(): list<string>
var x = range(97, 100)
->map((_, v) => nr2char(v)
->mapnew((_, v) => nr2char(v)
->toupper())
->reverse()
return x
@@ -1908,7 +1908,7 @@ def Test_recursive_call()
enddef
def TreeWalk(dir: string): list<any>
return readdir(dir)->map((_, val) =>
return readdir(dir)->mapnew((_, val) =>
fnamemodify(dir .. '/' .. val, ':p')->isdirectory()
? {[val]: TreeWalk(dir .. '/' .. val)}
: val