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patch 8.2.4576: Vim9: error for comparing with null can be annoying

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Problem:    Vim9: error for comparing with null can be annoying.
Solution:   Allow comparing anything with null. (closes #9948)
This commit is contained in:
Bram Moolenaar
2022-03-15 20:21:33 +00:00
parent 139575de66
commit 056678184f
4 changed files with 36 additions and 30 deletions
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16
src/vim9instr.c
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@@ -397,20 +397,8 @@ get_compare_isn(
vartype_name(vartype1), vartype_name(vartype2));
return ISN_DROP;
}
switch (vartype1 == VAR_SPECIAL ? vartype2 : vartype1)
{
case VAR_BLOB: break;
case VAR_CHANNEL: break;
case VAR_DICT: break;
case VAR_FUNC: break;
case VAR_JOB: break;
case VAR_LIST: break;
case VAR_PARTIAL: break;
case VAR_STRING: break;
default: semsg(_(e_cannot_compare_str_with_str),
vartype_name(vartype1), vartype_name(vartype2));
return ISN_DROP;
}
// although comparing null with number, float or bool is not useful, we
// allow it
isntype = ISN_COMPARENULL;
}