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Serialization is the process where a JSON document represented in memory by a <<ref_value>> is turned into a sequence of characters. The library provides the following free functions and types for serialization:
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to a {std_ostream}.
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<<ref_object>>, or <<ref_string>>.
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The <<ref_serialize>> function converts a <<ref_value>> into a {std_string}:
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In situations where serializing a <<ref_value>> in its entirety is inefficient or even impossible, <<ref_serializer>> can be used to serialize a <<ref_value>> incrementally. This may be done for a variety of reasons, such as to avoid buffering the entire output, or to ensure that a fixed amount of work is performed in each cycle. Instances of <<ref_serializer>> maintain an output state using internal dynamically allocated structures, with an interface to retrieve successive buffers of the serialized output into a caller provided buffer. Here is an example, demonstrating how <<ref_operator_lt_lt>> may be implemented using a <<ref_serializer>>:
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As with the parser, the serializer may be reused by calling <<ref_serializer_reset>>. This sets up the object to serialize a new instance and retains previously allocated memory. This can result in performance improvements when multiple variables are serialized.
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