namespaces
When should clojure keywords be in namespaces?
You should namespace-qualify your keywords if any code is ever going to have a chance to interact with your keywords outside of the context of your namespace. The main example I can think of is two namespaces putting keys and values into a hash-map in a third namespace, where the keys are keywords (as they … Read more
basic question on C# – do I need a namespace?
Do you need one? No. Should you have one? Yes. It’ll help prevent clashes with identically named classes in other namespaces without having to resort to the (IMHO) ugly use of global::.
C# Namespaces and Assemblies Best Practice
C#: are there any guidelines, best practices when it comes to dividing a solution up into name-spaces and assemblies? For guidelines for namespaces, read the framework design guidelines. For assemblies: an assembly is by definition the smallest independently versionable unit of self-describing shippable functionality in .NET. Are there parts of your software that you intend … Read more
Interesting behavior of compiler with namespaces
X::A a; f(a); works because of Argument-Dependent Lookup (Also known as Koenig Lookup). a is an object of class A inside namespace X, when compiler searches a match-able function f, it will look into namespace X in this case. See Argument Dependent Lookup for more information.
extern “C” linkage inside C++ namespace?
Your code works, but you should beware that all functions that have extern “C” linkage share the same space of names, but that is not to be confused with the C++ notion of “namespace”: Your function is really someNameSpace::doSomething, but you cannot have any other extern “C” function with unqualified name doSomething in any other … Read more
Swift Extension: same extension function in two Modules
Details Swift 3, Xcode 8.1 Swift 4, Xcode 9.1 Swift 5.1, Xcode 11.2.1 Problem frameworks SwiftFoundation and SwiftKit has the same names of the properties and functions decision Way1 Use different names of the properties and functions // SwiftFoundation public extension UIView { public class func swiftFoundationSomeClassMethod() { print(“someClassMethod from Swift Foundation”) } public var … Read more
C++ namespace collision in copy constructor
Every class has its name injected into it as a member. So you can name A::Foo::Foo. This is called the injected class name. [class] 2 A class-name is inserted into the scope in which it is declared immediately after the class-name is seen. The class-name is also inserted into the scope of the class itself; … Read more