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patch 9.0.2160: instanceof() should use varargs as second arg

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Problem:  instanceof() should use varargs as second arg
Solution: Modify `instanceof()` to use varargs instead of list

Modify `instanceof()` to use varargs instead of list
Valid `instanceof()` arguments are `type`s. A `type` is not a value;
it cannot be added to a list.

This change is non-compatible with the current usage of instanceof;
but instanceof is relatively new and it's a trivial change.

fixes: #13421
closes: #13644

Signed-off-by: Ernie Rael <errael@raelity.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Ernie Rael
2023-12-12 16:58:00 +01:00
committed by Christian Brabandt
parent c1c3b83816
commit 2025af165e
11 changed files with 159 additions and 76 deletions
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8
runtime/doc/builtin.txt
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@@ -5058,12 +5058,12 @@ insert({object}, {item} [, {idx}]) *insert()*
*instanceof()* *E614* *E616* *E693*
instanceof({object}, {class})
The result is a Number, which is |TRUE| when the {object}
argument is a direct or indirect instance of a |Class|
specified by {class}.
When {class} is a |List| the function returns |TRUE| when
argument is a direct or indirect instance of a |Class|,
|Interface|, or class |:type| alias specified by {class}.
If {class} is varargs, the function returns |TRUE| when
{object} is an instance of any of the specified classes.
Example: >
instanceof(animal, [Dog, Cat])
instanceof(animal, Dog, Cat)
< Can also be used as a |method|: >
myobj->instanceof(mytype)