Represents a function that checks if a value is a member of a given list. Uses strict equality (===) for comparison.
The array, ArrayLike, Set, Map, or other iterable collection of possible values to check against.
Optional
Optional message to display if the assertion fails.
The result of the operation.
0.1.5
Represents a function that checks if a value is a member of a given list. Uses strict equality (===) for comparison.