When you use pattern matching in Swift, the compiler uses the `~=` operator behind the scenes to match the value against each case pattern.
In Swift, pattern matching is a powerful feature that can be used to match values against a set of patterns, including ranges, optionals….
Swift compiler supports platform compilation conditions on whether to build certain parts of the code. Unlike regular and which execute at….
Learning different attributes like @main, @UIApplicationMain, or @NSApplicationMain for designating a type as the entry point for beginning program execution.
We need a way to differentiate between the cases that are safe to transfer between concurrency domains and those that are not.
Asynchronous tasks can suspend themselves on continuations which synchronous code can then capture and invoke to resume the task in response to an event.
The new AsyncSequence protocol enables a natural, simple syntax for iterating over a sequence of values over time as easy as writing a `for` loop.
You display a modal presentation, like an alert, popover, sheet, or confirmation dialog to draw attention to an important narrowly scoped task.
To handle API changes, use @available attribute to annotate availability of new declarations, and use #available or #unavailable to conditionalize.
An associated type gives a placeholder name to a type that’s used as part of the protocol, isn’t specified until the protocol is adopted.