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Niels Lohmann f67b3de5c4 📡 Fix documentation gaps for 3.13.0 release (todos 138-142)

- Todo 138: Add "Known issues" section to modules.md with compiler-specific troubleshooting (GCC redefinition, MSVC symbol export). Add pointer note to quality_assurance.md.
- Todo 139: Document CBOR/MessagePack half-precision float encoding for NaN/Infinity (0xF9/0xCA with exact byte sequences). Explain pre-3.13.0 double-precision bug mechanism without issue citations.
- Todo 140: Document CBOR negative-integer-overflow rejection (parse_error.112) for magnitudes exceeding int64_t range (already implemented in rev 1).
- Todo 141: Update version history in value.md and operator[].md with behavior-change details, removing issue citations per citation policy (prose is self-contained).
- Todo 142: Global sed replace of 3.12.x → 3.13.0 placeholder across all 20 documentation files.

Revision 2 incorporates feedback to reduce changelog-like issue citations. Only citations that add unique troubleshooting value are retained (#5103 for GCC workaround, #3970 for MSVC symbol export). "Known issues" section follows PR #5252's visual pattern (info admonition with bold-bullet format).

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

2026-07-09 12:45:11 +02:00

657 B

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nlohmann::json_pointer::push_front

void push_front(const string_t& token);

void push_front(string_t&& token);

Append an unescaped token at the start of the reference pointer.

Parameters

token (in): token to add

Complexity

Linear in the number of reference tokens in the json_pointer.

Examples

??? example

The example shows the result of `push_front` for different JSON Pointers.
 
```cpp
--8<-- "examples/json_pointer__push_front.cpp"
```

Output:

```json
--8<-- "examples/json_pointer__push_front.output"
```

Version history

Added in version 3.13.0.

657 B Raw Blame History