bson_has_field(3)

1BSON_HAS_FIELD(3)                   Libbson                  BSON_HAS_FIELD(3)
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NAME

6       bson_has_field - bson_has_field()
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9          bool
10          bson_has_field (const bson_t *bson, const char *key);
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13       · bson: A bson_t.
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15       · key: A string containing the name of the field to check for.
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18       Checks  to  see if key contains an element named key. This also accepts
19       "dotkey" notation such as "a.b.c.d".
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22       true if key was found within bson; otherwise false.
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25       MongoDB, Inc
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28       2017-present, MongoDB, Inc
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331.14.0                           Feb 22, 2019                BSON_HAS_FIELD(3)