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@@ -30,6 +30,16 @@ A UTF-8 byte order mark is silently ignored.
Invalid Unicode escapes and unpaired surrogates in the input are reported as [`parse_error.101`](https://json.nlohmann.me/home/exceptions/#jsonexceptionparse_error101) with a detailed message.
`operator>>` parses exactly one JSON value and leaves the stream positioned right after it, so it can be called repeatedly to read a sequence of concatenated JSON values from the same stream:
```
json j1, j2;
input >> j1; // parses the first value, stream now positioned right after it
input >> j2; // parses the next value
```
Note this does **not** work for [JSON Lines](https://json.nlohmann.me/features/parsing/json_lines/index.md) (newline-delimited JSON) input -- see that page for why and for the recommended alternative.
Deprecation
This function replaces function `std::istream& operator<<(basic_json& j, std::istream& i)` which has been deprecated in version 3.0.0. It will be removed in version 4.0.0. Please replace calls like `j << i;` with `i >> j;`.