Function firstArrayItem

firstArrayItem<T>(array: readonly [T, T]): T
Returns the first element of an array. When called with a non-empty tuple, the return type is T (not T | undefined).
Type Parameters
- T
Parameters
- array: readonly [T, T]
  The source array.
Returns T
Example
```
firstArrayItem([1, 2, 3]) // => 1
firstArrayItem([])         // => undefined
```
- Defined in array/firstArrayItem/index.ts:13
firstArrayItem<T>(array: readonly T[]): T | undefined
Returns the first element of an array. When called with a non-empty tuple, the return type is T (not T | undefined).
Type Parameters
- T
Parameters
- array: readonly T[]
  The source array.
Returns T | undefined
Example
```
firstArrayItem([1, 2, 3]) // => 1
firstArrayItem([])         // => undefined
```
- Defined in array/firstArrayItem/index.ts:14