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json/api/basic_json/get_allocator.md
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2026-10-03 05:43:12 +00:00

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# <small>nlohmann::basic_json::</small>get_allocator
```cpp
static allocator_type get_allocator();
```
Returns the allocator associated with the container.
## Return value
associated allocator
## Exception safety
Strong guarantee: if an exception is thrown, there are no changes to any JSON value.
## Complexity
Constant.
## Examples
??? example
The example shows how `get_allocator()` is used to created `json` values.
```cpp
--8<-- "examples/get_allocator.cpp"
```
Output:
```json
--8<-- "examples/get_allocator.output"
```
## See also
- [basic_json](index.md#template-parameters) the class template, with `AllocatorType` as one of its template parameters
- [Template Parameter Requirements](../../features/types/template_parameters.md#allocatortype) - the requirements for `AllocatorType`
## Version history
- Added in version 1.0.0.