mongoc_matcher_new() — MongoDB C Driver 1.6.3

- MongoDB C Driver 1.6.3 »
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- mongoc_matcher_t

# mongoc_matcher_new()

## Synopsis

    mongoc_matcher_t *
    mongoc_matcher_new (const bson_t *query, bson_error_t *error);

Create a new mongoc_matcher_t using the query specification provided.

## Deprecated

Warning

`mongoc_matcher_t` is deprecated and will be removed in version 2.0.

## Parameters

- `query`: A `bson_t`.
- `error`: An optional location for a bson_error_t or `NULL`.

## Errors

Errors are propagated via the `error` parameter.

## Returns

A newly allocated mongoc_matcher_t that should be freed with mongoc_matcher_destroy() when no longer in use. Upon failure, `NULL` is returned and `error` is set. This could happen if `query` contains an invalid query specification.

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