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Articles tagged with #swift
What is it? CombineLatest is an operator that combines more than one publishers, then provides a tuple of the latest value from each publisher. The combined publisher doesn’t produce elements until each of its upstream publishers publishes at least o...
Swift has first-class functions. First-class functions can be Stored into variable Returned from a function Passed as an argument Returning a function from another function and storing them in a variable func add(p1: Int, p2: Int) -> Int { retu...
Reduce is defined as below: Returns the result of combining the elements of the sequence using the given closure. Can we form the result of a map/filter function using reduce? Yes. Reduce function takes a sequence as an input and returns a generic...
Struct: It has value semantics and hence variable and value is unified. Each instance can have only one owner The value held by a variable can not be manipulated without changing the variable itself Efficient compared to class due to copy on write ...
Serial Queue: Executes only one item at a time irrespective of the number of tasks in the Queue Good when there is a necessity to provide controlled access to a queue func serialQueue() { let serialQueue = DispatchQueue(label: "test.com") ...
Javascript: console.log("A" > "a") //Intuition says true Swift: print("A">"a") //Intuition says true What is the expected result? My mental about English alphabets were Upper case letters were bigger than Lower case letters. Hence I expected the res...