Instance MethodSwift

    contains(_:)

    Returns a Boolean value indicating whether the sequence contains the given element.

    func contains(_ element: Self.Element) -> Bool

    Parameters

    element

    The element to find in the sequence.

    Returns

    true if the element was found in the sequence; otherwise, false.

    Overview

    This example checks to see whether a favorite actor is in an array storing a movie’s cast.

    let cast = ["Vivien", "Marlon", "Kim", "Karl"]
print(cast.contains("Marlon"))
// Prints "true"
print(cast.contains("James"))
// Prints "false"