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Swift · Interview Question

Which of these describes what `map` does in Swift?

Detailed answer, explanation and code for this interview question. Ideal for Swift interview preparation, coding rounds and viva questions.

Difficulty: MediumType: MCQ

Question Overview

Subject

Swift

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Problem Statement

Which of these describes what `map` does in Swift?

Explanation

The `map` function applies a transformation closure to each element of a collection (e.g., array) and returns a new collection containing the results. This is a classic functional-pattern in Swift.

Practice Sets

This question appears in the following practice sets:

Functional Patterns & Higher-Order Functions

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Which of these describes what `map` does in Swift? - Swift | Preplance Interview Prep | Preplance

Master Interviews
Anywhere, Anytime

Which of these describes what `map` does in Swift?

Problem Statement

Explanation

Practice Sets

Related Questions

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Master Interviews Anywhere, Anytime

Which of these describes what `map` does in Swift?

Problem Statement

Explanation

Practice Sets

Related Questions

What is the difference between `let` and `var` in Swift?

What does the `?` after a type name signify in Swift, e.g., `Int?`?

Which statement is true about `struct` vs `class` in Swift?

What is the purpose of a `guard` statement in Swift?

Which of these best describes a closure in Swift?

More from Swift

Master Interviews
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