Function first

first<T>(source, options?): T | undefined
Returns the first element of an iterable sequence that matches the predicate if provided, or undefined if no such element exists.
Type Parameters
- T
  
  The type of the elements in the source sequence.
Parameters
- source: Iterable<T>
  
  Source async-enumerable sequence.
- Optional options: OptionalFindOptions<T>
Returns T | undefined
The first element in the iterable sequence, or undefined if no such element exists.
- Defined in iterable/first.ts:10

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