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636 B
636 B
nlohmann::json_pointer::empty
bool empty() const noexcept;
Return whether pointer points to the root document.
Return value
#!cpp true iff the JSON pointer points to the root document.
Exception safety
No-throw guarantee: this function never throws exceptions.
Complexity
Constant.
Examples
??? example
The example shows the result of `empty` for different JSON Pointers.
```cpp
--8<-- "examples/json_pointer__empty.cpp"
```
Output:
```json
--8<-- "examples/json_pointer__empty.output"
```
Version history
Added in version 3.6.0.