On Wed, Nov 18, 2015 at 8:42 AM, <tobias.ko...@gmail.com> wrote:
>
> Have you tried omitting the '\'? As far as I know, Puppet has no
>> requirement that array literals be expressed all on one line, and newlines
>> are permitted as part of the optional whitespace between elements.
>>
> It will work without the "\". I was just wondering why because I haven't
> found anything in the official documentation and on several web places for
> some reason the "\" solution was propagated.
>
It works because Puppet ignores whitespace between tokens entirely. That
said you can't insert whitespace in the middle of a token and there's no
way to "continue" the token into the next line (i.e. a line continuation
marker).
For example, this is legal:
```
notice(
hello::world
)
```
But this is not:
```
notice(
hello::
world
)
```
That is because the line break is in the middle of the name token, making
it malformed.
Note that string literal tokens may span multiple lines, but the whitespace
is made part of the string:
```
notice('
hello
world
')
```
i.e. this will print the line breaks as they are part of the string.
Hope that helps.
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