deploy: 63c10a51fc

features/parsing/json_lines.md

@@ -46,8 +46,20 @@ JSON Lines input with more than one value is treated as invalid JSON by the [`pa
     }
     ```
     
-    with a JSON Lines input does not work, because the parser will try to parse one value after the last one.
+    with a JSON Lines input does not work, because the parser will try to parse one value after the last one and throw
+    a [`parse_error.101`](../../home/exceptions.md#jsonexceptionparse_error101) exception. The same happens for a
+    stream of *concatenated* (non-newline-delimited) JSON values: `operator>>` reads them one at a time, but the loop
+    above throws after the last value. To read either format with `operator>>`, check for the end of the stream before
+    each read:
 
-    This is different from parsing a stream of *concatenated* (non-newline-delimited) JSON values, for which
-    `operator>>` does work, provided that a value that is a number is followed by whitespace -- see its
-    [notes](../../api/operator_gtgt.md#notes) for details.
+    ```cpp
+    json j;
+    while (input >> std::ws && input.peek() != std::char_traits<char>::eof())
+    {
+        input >> j;
+        std::cout << j << std::endl;
+    }
+    ```
+
+    A value that is a number must be followed by whitespace -- see the [notes](../../api/operator_gtgt.md#notes) of
+    `operator>>` for details.