C++, What does the colon after a constructor mean? It's called an initialization list An initializer list is how you pass arguments to your member variables' constructors and for passing arguments to the parent class's constructor If you use = to assign in the constructor body, first the default constructor is called, then the assignment operator is called This is a bit wasteful, and
Can a struct have a constructor in C++? - Stack Overflow This allows you to have a constructor which can be used to initialize the struct with default values Below, the constructor takes sz and b as arguments, and initializes the other variables to some default values
Constructor overload in TypeScript - Stack Overflow Your Box class is attempting to define multiple constructor implementations Only the last constructor overload signature is used as the class constructor implementation In the below example, note the constructor implementation is defined such that it does not contradict either of the preceding overload signatures
Whats the difference between an object initializer and a constructor? A constructor is a defined method on a type which takes a specified number of parameters and is used to create and initialize an object An object initializer is code that runs on an object after a constructor and can be used to succinctly set any number of fields on the object to specified values
JSON. net: how to deserialize without using the default constructor? Select the most specific private constructor so you can have multiple overloads, still without having to use attributes Select the constructor marked with an attribute of a specific name - like the default resolver, but without a dependency on the Json Net package because you need to reference Newtonsoft Json JsonConstructorAttribute
How can I invoke asynchronous code within a constructor? The constructor() can then trigger the async creation of the properties, but the getter then checks to see if the property is available before it uses or returns it This approach is particularly useful when you want to initialize a global object once on startup, and you want to do it inside a module
Constructor of an abstract class in C# - Stack Overflow Because public constructors create instances of a type, and you cannot create instances of an abstract type, an abstract type that has a public constructor is incorrectly designed Since only derived classes can use an abstract class constructor then an abstract class constructor, if needed, must be declared as protected