## begin (1 of 2) {#begin_1}

Gets iterator pointing to the first element (if any) of the const-qualified instance of the collection.

**Returns:** An iterator pointing to the first element (if any) of the const-qualified instance of the collection

```cpp
begin()
```

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## begin (2 of 2) {#begin_2}

Gets iterator pointing to the first element (if any) of the collection.

**Returns:** An iterator pointing to the first element (if any) of the collection

```cpp
begin()
```