2021-11-07 15:13:37 +03:00
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# <small>nlohmann::json_sax::</small>parse_error
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2021-11-05 00:02:48 +03:00
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```cpp
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virtual bool parse_error(std::size_t position,
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const std::string& last_token,
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const detail::exception& ex) = 0;
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```
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A parse error occurred.
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## Parameters
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`position` (in)
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: the position in the input where the error occurs
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`last_token` (in)
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: the last read token
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`ex` (in)
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: an exception object describing the error
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## Return value
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Whether parsing should proceed (**must return `#!cpp false`**).
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## Version history
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- Added in version 3.2.0.
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