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fix(typval): don't treat v:null as truthy (#23281)

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zeertzjq 2023-04-23 17:44:08 +08:00 committed by GitHub
parent 3ac952d4e2
commit 1355861b92
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2 changed files with 7 additions and 1 deletions
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2
src/nvim/eval/typval.c
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@ -4224,7 +4224,7 @@ bool tv2bool(const typval_T *const tv)
case VAR_BOOL:
return tv->vval.v_bool == kBoolVarTrue;
case VAR_SPECIAL:
return tv->vval.v_special == kSpecialVarNull;
return tv->vval.v_special != kSpecialVarNull;
case VAR_BLOB:
return tv->vval.v_blob != NULL && tv->vval.v_blob->bv_ga.ga_len > 0;
case VAR_UNKNOWN:

6
test/functional/vimscript/special_vars_spec.lua
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@ -130,6 +130,12 @@ describe('Special values', function()
eq("v:false", eval('"" . v:false'))
end)
it('work with ?? (falsy operator)', function()
eq(true, eval('v:true ?? 42'))
eq(42, eval('v:false ?? 42'))
eq(42, eval('v:null ?? 42'))
end)
it('work with type()', function()
eq(6, funcs.type(true))
eq(6, funcs.type(false))