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Document SIMDJSON_EXCEPTIONS (#1443) 

* Document SIMDJSON_EXCEPTIONS

* Add an example

* Enchance clarity
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Vadim Peretokin 2021-02-17 20:30:58 +01:00 committed by GitHub
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@ -555,6 +555,12 @@ bool parse_string(const char *j, std::string &s) {
}
```
To ensure you don't write any code that uses exceptions, compile with `SIMDJSON_EXCEPTIONS=OFF`. For example, if including the project via cmake:
```cmake
target_compile_definitions(simdjson PUBLIC SIMDJSON_EXCEPTIONS=OFF)
```
### Exceptions
Users more comfortable with an exception flow may choose to directly cast the `simdjson_result<T>` to the desired type: