[OE-core] is there an actual defensible usage for combining "_append" and "+="?

[Khem Raj]

On Thu, May 26, 2016 at 11:56 AM, Robert P. J. Day
<rpjday at crashcourse.ca> wrote:
>
>   i've grumbled about this before -- the *apparent* redundancy in
> combining the "_append" and "+=" constructs -- but someone recently
> suggested there's a use case for that that weirds me out if true.
>
>   given that "_append" defers appending, and that "+=" inserts a
> space, the argument was that combining them both defers appending
> *and* inserts a space when appending is finally done.
>
>   *blink*.
>
>    seriously? is that what that combination is being used for?

I am not sure if its used consciously most of time, I ask developers
why they used it
they just wanted to add to an existing variable and += did not work.

the construct is an unintended side effect of bitbake syntax

>
> rday
>
> p.s. i don't even want to think what happens if you combine "_append"
> and, say, "=+". or some other operator.
>
> --
>
> ========================================================================
> Robert P. J. Day                                 Ottawa, Ontario, CANADA
>                         http://crashcourse.ca
>
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