[#BloombergLP-baljsn-SimpleFormatter-openArray-08]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/baljsn.adoc[baljsn]::xref:BloombergLP/baljsn/SimpleFormatter.adoc[SimpleFormatter]::openArray
:relfileprefix: ../../../
:mrdocs:

Print the characters that start a JSON array onto the output stream&period;

== Synopsis

Declared in `&lt;baljsn&lowbar;simpleformatter&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
openArray(xref:BloombergLP/baljsn/SimpleFormatter/ArrayFormattingStyle.adoc[ArrayFormattingStyle] formattingStyle = e&lowbar;REGULAR&lowbar;ARRAY&lowbar;FORMAT);
----

== Description

Print onto the stream supplied at construction the sequence of characters designating the start of an array (referred to as an &quot;array&quot; in JSON), preceded, if necessary, by a comma&period; Optionally specify `formattingStyle` denoting if the array being opened should be formatted as an empty array&period; If `formattingStyle` is not specified then the array being opened is formatted as a regular array having elements&period; The behavior is undefined unless `isNameNeeded()` is `false`&period; Note that the formatting (and as a consequence the `formattingStyle`) is relevant only if this formatter encodes in the pretty style and is ignored otherwise&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *formattingStyle*
| whether to format the array as empty
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#
