What is hasprefix?

What is hasprefix?

Returns a Boolean value indicating whether the string begins with the specified prefix. iOS 8.0+ iPadOS 8.0+ macOS 10.10+

What is index in Swift?

Index for every String is that Characters in Swift are not all the same length under the hood. A single Swift Character might be composed of one, two, or even more Unicode code points. Thus each unique String must calculate the indexes of its Characters.

What is a character in Swift programming?

A character in Swift is a single character String literal, addressed by the data type Character. Take a look at the following example. It uses two Character constants − let char1: Character = “A” let char2: Character = “B” print(“Value of char1 \(char1)”) print(“Value of char2 \(char2)”)

What is Cfurl?

CFURL is “toll-free bridged” with its Cocoa Foundation counterpart, NSURL . This means that the Core Foundation type is interchangeable in function or method calls with the bridged Foundation object.