[#BloombergLP-bdljsn-JsonObject-erase-06]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdljsn.adoc[bdljsn]::xref:BloombergLP/bdljsn/JsonObject.adoc[JsonObject]::erase
:relfileprefix: ../../../
:mrdocs:

Erase the member with the specified `key`, if present.

== Synopsis

Declared in `<bdljsn_json.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::size_t
erase(std::string_view const& key);
----

== Description

Remove from this `JsonObject` the `Member` object having the specified `key`, if it exists, and return 1; otherwise (there is no object with a key equivalent to `key` in this `JsonObject`) return 0 with no other effect. This method invalidates only iterators and references to the removed element and previously saved values of the `end()` iterator, and preserves the relative order of the elements not removed.

== Return Value

the number of members erased (0 or 1)

== Parameters

[cols="1,4"]
|===
| Name| Description
| *key*
| UTF‐8 member name
|===


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