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nlohmann
109 lines
3.0 KiB
Markdown
109 lines
3.0 KiB
Markdown
# nlohmann::basic_json::other_error
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```
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class other_error : public exception;
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```
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This exception is thrown in case of errors that cannot be classified with the other exception types.
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Exceptions have ids 5xx (see [list of other errors](https://json.nlohmann.me/home/exceptions/#further-exceptions)).
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```
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classDiagram
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direction LR
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class std_exception ["std::exception"] {
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<<interface>>
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}
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class json_exception ["basic_json::exception"] {
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+const int id
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+const char* what() const
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}
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class json_parse_error ["basic_json::parse_error"] {
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+const std::size_t byte
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}
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class json_invalid_iterator ["basic_json::invalid_iterator"]
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class json_type_error ["basic_json::type_error"]
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class json_out_of_range ["basic_json::out_of_range"]
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class json_other_error ["basic_json::other_error"]
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std_exception <|-- json_exception
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json_exception <|-- json_parse_error
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json_exception <|-- json_invalid_iterator
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json_exception <|-- json_type_error
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json_exception <|-- json_out_of_range
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json_exception <|-- json_other_error
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style json_other_error fill:#CCCCFF
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```
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## Member functions
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- **what** - returns explanatory string
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## Member variables
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- **id** - the id of the exception
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## Examples
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Example
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The following code shows how a `other_error` exception can be caught.
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```
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#include <iostream>
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#include <nlohmann/json.hpp>
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using json = nlohmann::json;
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using namespace nlohmann::literals;
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int main()
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{
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try
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{
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// executing a failing JSON Patch operation
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json value = R"({
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"best_biscuit": {
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"name": "Oreo"
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}
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})"_json;
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json patch = R"([{
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"op": "test",
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"path": "/best_biscuit/name",
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"value": "Choco Leibniz"
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}])"_json;
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value.patch(patch);
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}
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catch (const json::other_error& e)
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{
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// output exception information
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std::cout << "message: " << e.what() << '\n'
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<< "exception id: " << e.id << std::endl;
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}
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}
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```
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Output:
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```
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message: [json.exception.other_error.501] unsuccessful: {"op":"test","path":"/best_biscuit/name","value":"Choco Leibniz"}
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exception id: 501
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```
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## See also
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- [`exception`](https://json.nlohmann.me/api/basic_json/exception/index.md) for the base class of all exceptions thrown by the library
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- [List of other errors](https://json.nlohmann.me/home/exceptions/#further-exceptions)
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- [`parse_error`](https://json.nlohmann.me/api/basic_json/parse_error/index.md) for exceptions indicating a parse error
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- [`invalid_iterator`](https://json.nlohmann.me/api/basic_json/invalid_iterator/index.md) for exceptions indicating errors with iterators
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- [`type_error`](https://json.nlohmann.me/api/basic_json/type_error/index.md) for exceptions indicating executing a member function with a wrong type
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- [`out_of_range`](https://json.nlohmann.me/api/basic_json/out_of_range/index.md) for exceptions indicating access out of the defined range
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## Version history
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- Since version 3.0.0.
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