static-initialization Questions
4
Solved
Everything I found across the internet about static initialization order fiasco was about C++, but is it true that if I initialize global variable of some type Foo like
struct Foo {
int flag;
pth...
Burbage asked 16/11, 2023 at 13:49
4
Solved
Once I was reading an awesome C++ FAQ (It is really good!!) and read the topic about how to prevent the static initialization order "fiasco". So the author advises to wrap the static variables into...
Willing asked 23/4, 2015 at 11:32
0
Consider a global (namespace scope) variable declared using the new inline variable feature in C++ 17:
struct something {
something();
~something();
};
inline something global;
In Clang 14 on x...
Normandnormandy asked 13/7, 2022 at 19:56
5
Solved
Consider this example code:
template<class D>
char register_(){
return D::get_dummy(); // static function
}
template<class D>
struct Foo{
static char const dummy;
};
template<cl...
Globigerina asked 21/6, 2011 at 6:0
2
Solved
I manage an open source project and have a user reporting a situation which I think is impossible according to Java's order of initialization of static variables in classes. The value of a static f...
Hyperventilation asked 16/7, 2021 at 20:59
1
Solved
When compiling this code in latest verson of gcc (or clang) with -std=c17 -pedantic-errors -Wall -Wextra
static const int y = 1;
static int x = y;
then I get no compiler diagnostic message even th...
Profiterole asked 5/7, 2021 at 8:0
2
Solved
Example:
struct Foo { Foo() { printf("foo\n"); } };
static Foo foo;
__attribute__((constructor)) static void _bar() { printf("bar\n"); }
Is it deterministic wether foo or bar is printed first?
...
Abridge asked 8/12, 2011 at 15:37
6
Solved
The typical way of creating a Javascript object is the following:
var map = new Object();
map[myKey1] = myObj1;
map[myKey2] = myObj2;
I need to create such a map where both keys and values are S...
Anabolism asked 5/2, 2013 at 16:17
2
I have gone through some related topics on internet like this and questions here like this, this and this, but I'm getting nowhere. Here is my simplified code:
MainActivity:
package com.test.static...
Nogging asked 12/12, 2020 at 18:20
3
Solved
We know that local static variable initialization is thread-safe in C++11, and modern compilers fully support this. (Is local static variable initialization thread-safe in C++11?)
What is the cost...
Anemone asked 15/7, 2016 at 8:7
4
Solved
Given a static class with an initializer method:
public static class Foo
{
// Class members...
internal static init()
{
// Do some initialization...
}
}
How can I ensure the initializer is...
Adnah asked 29/11, 2012 at 9:37
1
Solved
language: java
version: 12.0.2
String source code as follows:
/* @implNote
* The actual value for this field is injected by JVM. The static
* initialization block is used to set the value here ...
Burgee asked 8/10, 2019 at 2:53
13
Solved
What's the difference between initialization within a static block:
public class staticTest {
static String s;
static int n;
static double d;
static {
s = "I'm static";
n = 500;
d = 4000....
Debi asked 21/2, 2012 at 14:38
1
Solved
//file1.cpp
extern const char* foo;
std::string bar = foo;
//file2.cpp
const char* foo = "foo";
Is bar guaranteed by the standard to be initialized to "foo"? Or could it be initialized before fo...
Vernita asked 12/8, 2019 at 11:10
1
Solved
A well known problem in C++ is the static initialization order fiasco. Is it still considered a problem when one use C++17 static inline members?
Here an example where a static inline member is us...
Melissamelisse asked 9/6, 2019 at 14:18
3
Solved
I was wondering if it is possible to ensure that a function is only called during the static initialization step of a program?
As an example, say that I have some singleton class that contains a s...
Allelomorph asked 19/12, 2018 at 9:58
1
Solved
CAUTION: it is not a duplicate, please read topic сarefully
https://stackoverflow.com/users/3448419/apangin quote:
The real question is why the code sometimes works when it should not.
The issu...
Umbrella asked 11/12, 2018 at 12:56
3
I'd like to initialize a static std::map where the value is not copyable. I'll call my class ValueClass. ValueClass has an std::unique_ptr as private member and I even ensure that ValueClass is not...
Sparoid asked 16/12, 2018 at 21:35
2
Solved
I'm using a C++ library that can be built as either a shared or a static library.
This library uses a factory technique, where static objects register themselves when the program starts and the sta...
Emelinaemeline asked 22/1, 2011 at 12:58
8
Solved
This question made me question a practice I had been following for years.
For thread-safe initialization of function-local static const objects I protect the actual construction of the object, bu...
Timekeeper asked 2/6, 2010 at 8:4
1
MSVC 2017 Community with -std=c++17 chokes on the following example:
#include <iostream>
struct TC
{
static TC const values[];
static TC const& A;
static TC const& B;
static TC ...
Imprint asked 18/5, 2018 at 1:56
1
Solved
cppreference says about std::atexit :
The functions may be called concurrently with the destruction of the objects with static storage duration and with each other, maintaining the guarantee tha...
Nancee asked 16/5, 2018 at 19:53
6
Solved
First, a puzzle:
What does the following code print?
public class RecursiveStatic {
public static void main(String[] args) {
System.out.println(scale(5));
}
private static final long X = scal...
Figone asked 19/3, 2018 at 14:56
1
The abridged problem (Y)
Suppose you need to know, from within a function, whether this function has been called as part of the initialization of a static object, or not. Is there a standard or pl...
Dupuis asked 22/11, 2017 at 16:35
5
Solved
When I tried to write something like this:
public interface MyInterface {
static {
System.out.println("Hello!");
}
}
the compiler could not compile it.
But when I wrote something like this:
...
Humanitarian asked 1/11, 2013 at 7:56
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