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patch 8.2.1682: Vim9: const works in an unexpected way

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Problem:    Vim9: const works in an unexpected way.
Solution:   ":const" only disallows changing the variable, not the value.
            Make "list[0] = 9" work at the script level.
This commit is contained in:
Bram Moolenaar
2020-09-14 18:15:09 +02:00
parent 08052228a7
commit dbeecb2b6b
4 changed files with 20 additions and 9 deletions
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10
src/vim9compile.c
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@@ -4800,11 +4800,6 @@ compile_assignment(char_u *arg, exarg_T *eap, cmdidx_T cmdidx, cctx_T *cctx)
semsg(_(e_variable_already_declared), name);
goto theend;
}
else if (lvar->lv_const)
{
semsg(_(e_cannot_assign_to_constant), name);
goto theend;
}
}
else
{
@@ -4960,6 +4955,11 @@ compile_assignment(char_u *arg, exarg_T *eap, cmdidx_T cmdidx, cctx_T *cctx)
semsg(_(e_cannot_assign_to_argument), name);
goto theend;
}
if (!is_decl && lvar != NULL && lvar->lv_const && !has_index)
{
semsg(_(e_cannot_assign_to_constant), name);
goto theend;
}
if (!heredoc)
{