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37 lines
579 B
Markdown
37 lines
579 B
Markdown
# <small>nlohmann::json_sax::</small>null
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```cpp
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virtual bool null() = 0;
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```
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A null value was read.
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## Return value
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Whether parsing should proceed.
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## Examples
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??? example
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The example below shows how the SAX interface is used.
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```cpp
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--8<-- "examples/sax_parse.cpp"
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```
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Output:
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```json
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--8<-- "examples/sax_parse.output"
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```
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## See also
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- [sax_parse](../basic_json/sax_parse.md) - SAX parser
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- [SAX Interface](../../features/parsing/sax_interface.md) - the SAX interface article
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## Version history
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- Added in version 3.2.0.
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