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663 B
663 B
nlohmann::basic_json::begin
iterator begin() noexcept;
const_iterator begin() const noexcept;
Returns an iterator to the first element.
Return value
iterator to the first element
Exception safety
No-throw guarantee: this member function never throws exceptions.
Complexity
Constant.
Examples
??? example
The following code shows an example for `begin()`.
```cpp
--8<-- "examples/begin.cpp"
```
Output:
```json
--8<-- "examples/begin.output"
```
Version history
- Added in version 1.0.0.