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# holoscan::resource_default_name_v

> Helper template variable for easier access to resource default names (C++17).

Helper template variable for easier access to resource default names (C++17).

```cpp showLineNumbers={false}
template <typename ResourceT>
constexpr const char * holoscan::resource_default_name_v
```

Usage: resource\_default\_name\_v\<UnboundedAllocator> returns "unbounded\_allocator"

**Template parameters**

**`ResourceT`** `typename`

The resource type.

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