BSON_APPEND_UNDEFINED(3)

NAME
bson_append_undefined()

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() .

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.