What distinguishes the declaration, the definition and the ...
Apr 28, 2014 · 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 …
c++ - What does 'initialization' exactly mean? - Stack Overflow
Nov 11, 2019 · All definitions are declarations in C and C++, and a definition of a variable may optionally include an initialiser. If no initialiser is provided for a global/static, then the default is zero-initialisation …
What is the difference between initialization and assignment?
The basic meaning, from which the others are derived, is incompatible with this attempt at differentiating initialization and assignment. And so I think this answer, as it is as of the writing of this comment, can …
What is the difference between "instantiated" and "initialized"?
Feb 25, 2010 · The class/type will have the initialization logic, whereas the instantiation logic is typically carried out by the new keyword (basically memory allocation, reference copying etc). But …
How to initialize a struct in accordance with C programming language ...
The biggest difference to standard initialization is that you don't have to declare the elements in a fixed order and you can also omit element. From The GNU Guide: Standard C90 requires the elements of …
Declaring vs Initializing a variable? - Stack Overflow
Jul 30, 2015 · 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 …
When to use the brace-enclosed initializer? - Stack Overflow
Apr 2, 2012 · 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 …
C++ - initializing variables in header vs with constructor
Feb 9, 2015 · 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. …
How to initialize private static data members in a header file
If the initialization is in the header file, then each file that includes the header file will have a definition of the static member. Thus during the link phase, you will get linker errors as the code to initialize the …
initialization - Initializing variables in C - Stack Overflow
5 Static and global variables will be initialized to zero for you so you may skip initialization. Automatic variables (e.g. non-static variables defined in function body) may contain garbage and should …