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From: Paolo Di Tommaso <paolo.ditommaso@gmail.com>
Date: Fri, 15 Dec 2017 08:28:48 +0100
Message-ID: <CADgKzdxS6yEKsyNJ1VgQsEmqUVDEjR3qHUzV+-Xg4uS1W59nyA@mail.gmail.com>
Subject: Re: @CompileStatic null iteration
To: users@groovy.apache.org
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archived-at: Fri, 15 Dec 2017 07:29:42 -0000

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Just found the same problem. This difference can introduce subtle bugs when
refactoring groovy code to CompileStatic.

I suggest to report a bug for that.


Cheers, Paolo


On Tue, Dec 12, 2017 at 12:45 AM, MG <mgbiz@arscreat.com> wrote:

> Hi guys,
>
> just a quick question since we came across it today when testing code that
> had been converted from dynamic to static Groovy: Is the behavior that
> statically compiled Groovy throws a NPE when the iterable to be iterated
> over is null (same as Java), while dynamically compiled Groovy uses the
> NullObject.iterator(), i.e. does not throw but instead iterates over an
> empty collection by design ?
>
> Cheers,
> mg
>
>
>

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<div dir=3D"ltr">Just found the same problem. This difference can introduce=
 subtle bugs when refactoring groovy code to CompileStatic.=C2=A0<div><br><=
/div><div>I suggest to report a bug for that.=C2=A0</div><div><br></div><di=
v><br></div><div>Cheers, Paolo</div><div>=C2=A0=C2=A0</div></div><div class=
=3D"gmail_extra"><br><div class=3D"gmail_quote">On Tue, Dec 12, 2017 at 12:=
45 AM, MG <span dir=3D"ltr">&lt;<a href=3D"mailto:mgbiz@arscreat.com" targe=
t=3D"_blank">mgbiz@arscreat.com</a>&gt;</span> wrote:<br><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex">Hi guys,<br>
<br>
just a quick question since we came across it today when testing code that =
had been converted from dynamic to static Groovy: Is the behavior that stat=
ically compiled Groovy throws a NPE when the iterable to be iterated over i=
s null (same as Java), while dynamically compiled Groovy uses the NullObjec=
t.iterator(), i.e. does not throw but instead iterates over an empty collec=
tion by design ?<br>
<br>
Cheers,<br>
mg<br>
<br>
<br>
</blockquote></div><br></div>

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