1. Dart
2. dart:ffi
3. Uint64Pointer
4. operator [] method

##### Uint64Pointer extension

1. Properties
2. value
3. Methods
4. asTypedList
5. Operators
6. operator []
7. operator []=

description

# operator [] method Null safety

int operator [] (

1. int index

)

The 64-bit unsigned integer at `address + 8 * index`.

The `address` must be 8-byte aligned.

## Implementation

    external int operator [](int index);