bson_append_undefined (3) Linux Manual Page

bson_append_undefined() – The bson_append_undefined() function shall append a new element to bson of type BSON_TYPE_UNDEFINED. Undefined is common in Javascript. However, this element type is deprecated and should not be used in new code.

Synopsis

bool

bson_append_undefined (bson_t *bson,

 const char *key,

 int key_length);

Parameters

bson

A bson_t \&.

key

An ASCII C string containing the name of the field.

key_length

The length of key in bytes, or -1 to determine the length with strlen(3) \&.

Description

The bson_append_undefined(3) function shall append a new element to bson of type BSON_TYPE_UNDEFINED. Undefined is common in Javascript. However, this element type is deprecated and should not be used in new code.

Returns

true if the operation was applied successfully, otherwise false and bson should be discarded.

Colophon

This page is part of libbson. Please report any bugs at https://jira.mongodb.org/browse/CDRIVER.