Man page - bson_iter_as_bool(3)

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BSON_ITER_AS_BOOL(3) libbson BSON_ITER_AS_BOOL(3)

bool
bson_iter_as_bool (const bson_iter_t *iter);


iter: A bson_iter_t.

Fetches the current field as if it were a boolean.

bson_iter_as_bool() currently knows how to determine a boolean value from the following types:

  • BSON_TYPE_BOOL
  • BSON_TYPE_DOUBLE
  • BSON_TYPE_INT32
  • BSON_TYPE_INT64
  • BSON_TYPE_NULL
  • BSON_TYPE_UNDEFINED
  • BSON_TYPE_UTF8

BSON_TYPE_UTF8 will always equate to true.

true if the field equates to non-zero.

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December 18, 2025 1.30.4