Tagged Questions
5
votes
2answers
119 views
Variable declaration in if clause
if(someCondition)
int a=10;//Compilation Error
else if(SomeOtherCondition){
int b=10;//no compilation Error
}
Why this happening.Why there is compilation error in first case. If i put braces then ...
1
vote
5answers
95 views
How can i declare a value in an if statement? (In java)
So this is what i have so far and i have no clue why the program is not responding the way i want it to. Keeps showing up that "avg2 might not have been initialized". Any ideas??
if (a < b ...
6
votes
4answers
287 views
double as true / false
Bjarne suggests using the condition in if's as scope restriction. In particular this example.
if ( double d = fd() ) {
// d in scope here...
}
I'm curios how to interpret the declaration in a ...
1
vote
1answer
232 views
Variable declaration in 'if' expression follow-up
This is a follow-up to C++, variable declaration in 'if' expression
if( int x = 3 && true && 12 > 11 )
x = 1;
The rules (so far as I can tell) are:
can only have 1 variable ...
40
votes
5answers
7k views
C++, variable declaration in 'if' expression
What's going on here?
if(int a = Func1())
{
// Works.
}
if((int a = Func1()))
{
// Fails to compile.
}
if((int a = Func1())
&& (int b = Func2()))
)
{
// Do stuff with a and ...
9
votes
1answer
144 views
php static in if statement
I have a construction like this in my config file:
<?php
if (true) {
$nonstatic = 1;
static $config = 1;
}
else {
$nonstatic = 2;
static $config = 2;
}
echo $nonstatic;
echo ...
