- libbson 1.13.1 »
- API Reference

# bson_value_t

BSON Boxed Container Type

## Synopsis

    #include <bson/bson.h>

    typedef struct _bson_value_t {
       bson_type_t value_type;
       union {
          bson_oid_t v_oid;
          int64_t v_int64;
          int32_t v_int32;
          int8_t v_int8;
          double v_double;
          bool v_bool;
          int64_t v_datetime;
          struct {
             uint32_t timestamp;
             uint32_t increment;
          } v_timestamp;
          struct {
             uint32_t len;
             char *str;
          } v_utf8;
          struct {
             uint32_t data_len;
             uint8_t *data;
          } v_doc;
          struct {
             uint32_t data_len;
             uint8_t *data;
             bson_subtype_t subtype;
          } v_binary;
          struct {
             char *regex;
             char *options;
          } v_regex;
          struct {
             char *collection;
             uint32_t collection_len;
             bson_oid_t oid;
          } v_dbpointer;
          struct {
             uint32_t code_len;
             char *code;
          } v_code;
          struct {
             uint32_t code_len;
             char *code;
             uint32_t scope_len;
             uint8_t *scope_data;
          } v_codewscope;
          struct {
             uint32_t len;
             char *symbol;
          } v_symbol;
       } value;
    } bson_value_t;

## Description

The bson_value_t structure is a boxed type for encapsulating a runtime determined type.

## Functions

- bson_value_copy()
- bson_value_destroy()

## Example

    const bson_value_t *value;

    value = bson_iter_value (&iter);

    if (value->value_type == BSON_TYPE_INT32) {
       printf ("%d\n", value->value.v_int32);
    }

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