[#BloombergLP-bdljsn-Json-makeNumber-0b] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdljsn.adoc[bdljsn]::xref:BloombergLP/bdljsn/Json.adoc[Json]::makeNumber :relfileprefix: ../../../ :mrdocs: Create an instance of type `JsonNumber` in this object, using the allocator currently held by this object to supply memory, and return a reference providing modifiable access to the created instance. Optionally specify `number` to initialize the `JsonNumber` created. This method first destroys the current value held by this object (even if the type currently held is `JsonNumber`). == Synopsis Declared in `<bdljsn_json.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- xref:BloombergLP/bdljsn/JsonNumber.adoc[JsonNumber]& makeNumber(); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#