What distinguishes the declaration, the definition and the . . . Initialization includes things like the zero initialization of variables with static lifetime, and default constructors, as well as what you show (And to add to the confusion: in C, initialization can be the first time the variable is assigned to; e g in statements like "taking the value of an uninitialized variable"
What is the difference between initialization and assignment? What is the difference between initialization and assignment? I was confused by the following statement: C++ provides another way of initializing member variables that allows us to initialize member
Declaring vs Initializing a variable? - Stack Overflow Initialization: When you declare a variable it is automatically initialized, which means memory is allocated for the variable by the JavaScript engine Assignment: This is when a specific value is assigned to the variable
Java: define terms initialization, declaration and assignment Initialization - This is when a variable is preset with a value There is no guarantee that a variable will every be set to some default value during variable declaration (unless you explicitly make it so) It can be argued that initialization is the first assignment of a variable, but this isn't entirely true, as I will explain shortly
C++: Where to initialize variables in constructor - Stack Overflow In short, always prefer initialization lists when possible 2 reasons: If you do not mention a variable in a class's initialization list, the constructor will default initialize it before entering the body of the constructor you've written This means that option 2 will lead to each variable being written to twice, once for the default initialization and once for the assignment in the
struct - C++ Structure Initialization - Stack Overflow The designated aggregate initialization, where the initialization list contains that labels of each member of the structure (see documentation) available from C++20 onward
When to use the brace-enclosed initializer? - Stack Overflow Curly brace initialization does not allow narrowing conversions So round and curly braces are not interchangeable But knowing where they differ allows me to use curly over round bracket initialization in most cases (some of the cases where I can't are currently compiler bugs)
C++ - initializing variables in header vs with constructor The first form is more convenient if you have more than one constructor (and want them all to initialise the member in the same way), or if you don't otherwise need to write a constructor The second is required if the initialiser depends on constructor arguments, or is otherwise too complicated for in-class initialisation; and might be better if the constructor is complicated, to keep all the