What is NS range?
A structure used to describe a portion of a series, such as characters in a string or objects in an array.
How does NSRange work?
NSIntersectionRange : Returns the intersection of the specified ranges. If the returned range’s length field is 0 , then the two ranges don’t intersect, and the value of the location field is undefined.
What is range in Swift?
In Swift, a range is a series of values between two numeric intervals. For example, var numbers = 1… 4. Here, is a range operator.
How do I find the length of a string in Swift?
Swift – String Length/Count
To get the length of a String in Swift, use count property of the string. count property is an integer value representing the number of characters in this string.
How do you create a range in Swift?
Ranges with Strings
< range operators are a shorthand way of creating ranges. For example: let myRange = 1..<3. let myRange = CountableRange<Int>(uncheckedBounds: (lower: 1, upper: 3)) // 1..<3.
What does it mean when we say Strings are collections in Swift?
Suggested approach: This statement means that Swift’s String type conform to the Collection protocol, which allows us to loop over characters, count how long the string is, map the characters, select random characters, and more.
What is NSNotFound?
A value indicating that a requested item couldn’t be found or doesn’t exist.
What is NSString?
A static, plain-text Unicode string object that bridges to String ; use NSString when you need reference semantics or other Foundation-specific behavior.
What is reduce in Swift?
Swift version: 5.6. The reduce() method iterates over all items in array, combining them together somehow until you end up with a single value.
What is ABS in Swift?
Return value
The abs() function returns the absolute value of a number passed as a parameter.
How do I trim a string to a certain length in Swift?
string-truncate.swift
Truncates the string to the specified length number of characters and appends an optional trailing string if longer. – Parameter trailing: A ‘String’ that will be appended after the truncation. – Returns: ‘String’ object. let str = “I might be just a little bit too long”.
How do I limit the length of a textField in Swift?
location < 10, you can use textField. text. length < 10. This solution is simple and elegant.
What does ~= mean in Swift?
The expression represented by the expression pattern is compared with the value of an input expression using the Swift standard library ~= operator. The matches succeeds if the ~= operator returns true . By default, the ~= operator compares two values of the same type using the == operator.
What is Nsmutableattributedstring?
A mutable string with associated attributes (such as visual style, hyperlinks, or accessibility data) for portions of its text.
What is NSIndexSet?
The NSIndexSet class represents an immutable collection of unique unsigned integers, known as indexes because of the way they are used. This collection is referred to as an index set. Indexes must be in the range 0 .. NSNotFound – 1 . You use index sets in your code to store indexes into some other data structure.
What does NS mean in Swift?
NeXTSTEP
The Foundation Kit, or just Foundation for short, is an Objective-C framework in the OpenStep specification. It provides basic classes such as wrapper classes and data structure classes. This framework uses the prefix NS (for NeXTSTEP). It is also part of Cocoa and of the Swift standard library.
What is the difference between NSString and string?
Secondly, in Swift String is a struct, while in Objective-C, NSString is a class and inherit from NSObject . In concept, Swift String is more likely immutable. If we use a struct type and constant (remember the let keyword), we can keep out a lot of consideration of multi-thread programming and make us a better life.
What is use of flatMap in Swift?
Returns an array containing the concatenated results of calling the given transformation with each element of this sequence.
What is $0 and $1 in Swift?
$0 and $1 are closure’s first and second Shorthand Argument Names (SAN for short) or implicit parameter names, if you like. The shorthand argument names are automatically provided by Swift. The first argument is referenced by $0 , the second argument is referenced by $1 , the third one by $2 , and so on.
Is ABS available in Swift VXi?
Maruti Swift [2014-2018] VXi ABS Summary
Maruti Swift [2014-2018] VXi ABS is available in Manual transmission and offered in 5 colours: Granite Grey, Glistening Grey, Fire red, Silky Silver and Pearl Arctic White.
Is ABS in Swift VXi?
The VXi does not come equipped with ABS, EBD or crash sensors and airbags.
What is trimming characters in Swift?
Swift String trimmingCharacters()
The trimmingCharacters() method removes whitespace from both ends of a string.
How do I trim a space in Swift?
How to trim a string in Swift
- Trim leading spaces. extension String { func trimingLeadingSpaces(using characterSet: CharacterSet = .whitespacesAndNewlines) -> String { guard let index = firstIndex(where: { !
- Trim trailing spaces.
- Trim leading and trailing spaces.
- Trim all spaces.
What can be the maximum length of a text field?
The Text field is a generic and common data entry field which is used to capture text-type numbers, data letters, and symbols. Text fields can be of a maximum of 255 characters in a single line. You can restrict the number of characters entered by specifying a maximum field size.
How do I limit the number of characters in UITextField?
If you have a UITextField or UITextView and want to stop users typing in more than a certain number of letters, you need to set yourself as the delegate for the control then implement either shouldChangeCharactersIn (for text fields) or shouldChangeTextIn (for text views).