# 23. implement LengthOfTuple<T>

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- accepted / - tried

Here is an easy problem, please implement `LengthOfTuple<T>`

to return the length of tuple.

```
type A = LengthOfTuple<['B', 'F', 'E']> // 3
type B = LengthOfTuple<[]> // 0
```

Share

- accepted / - tried

Here is an easy problem, please implement `LengthOfTuple<T>`

to return the length of tuple.

```
type A = LengthOfTuple<['B', 'F', 'E']> // 3
type B = LengthOfTuple<[]> // 0
```