Use this tag for questions related to redeclaration, such as overwriting a function.
Questions tagged [redeclaration]
64 questions
81
votes
10 answers
Is it possible to overwrite a function in PHP
Can you declare a function like this...
function ihatefooexamples(){
return "boo-foo!";
};
And then redeclare it somewhat like this...
if ($_GET['foolevel'] == 10){
function ihatefooexamples(){
return "really boo-foo";
};
};
Is it…
Mark Lalor
- 7,820
- 18
- 67
- 106
27
votes
4 answers
How solve compiler enum redeclaration conflict
Consider the following C++ enumerations:
enum Identity
{
UNKNOWN = 1,
CHECKED = 2,
UNCHECKED = 3
};
enum Status
{
UNKNOWN = 0,
PENDING = 1,
APPROVED = 2,
UNAPPROVED = 3
};
The Compiler conflicted the both…
Daniel Santos
- 14,328
- 21
- 91
- 174
10
votes
2 answers
Property Declaration - ivar and getter values don't match
I have a doubt regarding property redeclaration
Overview:
class "A" is the parent class with a readonly property int n1;
class "B" is the subclass, which redeclares the property as read write
using the setter of class "B" the property value is set…
user1046037
- 16,755
- 12
- 92
- 138
10
votes
3 answers
PHP autoloading: Preventing 'cannot redeclare ' in all constellations?
Question
Is there a way I can make PHP ignore re-declarations of classes rather than barf up a FATAL ERROR? Or at least throw an exception? (I could easily catch it then and proceed (as well a log the attempted autoloading).)
I'm guessing no and a…
pinkgothic
- 6,081
- 3
- 47
- 72
10
votes
3 answers
Swift 1.2 redeclares Objective-C method
I just updated from swift 1.1 to swift 1.2 and get compiler Error:
Method 'setVacation' redeclares Objective-C method 'setVacation:'
Here some code:
var vacation : Vacation?
func setVacation(_vacation : Vacation)
{...}
But I need call…
UnRewa
- 2,462
- 2
- 29
- 31
6
votes
2 answers
a variable and function with same name returns an error inside a block
If we declare a variable and a function with same name, it is accepting re-declaration. But when we do the same thing inside a block, it shows re-declaration error.
Code:
var x;
function x() {}; // no error.
But in this case i'm getting…
Ramireddy Samar
- 127
- 4
6
votes
1 answer
Redeclaration in a namespace that does not enclose the original declaration
Namespace member can be defined in a namespace that encloses the declaration’s namespace:
Members of a named namespace can also be defined outside that namespace by explicit qualification (3.4.3.2)
of the name being defined, provided that the…
igntec
- 1,006
- 10
- 24
6
votes
2 answers
Laravel 5.0, Cannot redeclare class App\models\Category
I recently upgraded my project from laravel 4.2 to laravel 5.0 and have been facing several errors.
I didn't define any namespaces in 4.2 version, but as suggested here,
I have started defining namespaces in my code. I don't know if the problem that…
Yash
- 5,225
- 4
- 32
- 65
6
votes
9 answers
Is there any purpose to redeclaring JavaScript variables?
I am new to JavaScript.
Result is:
5
5
When x is declared the second time it should be…
Warrior
- 39,156
- 44
- 139
- 214
5
votes
1 answer
Ignore multiple results of a destructuring in typescript
I'm using typescript destructuring as follows:
const props = new Map();
props.set(bill, [n, a, l, g]);
// ...
// Want to access location and gender of bill.
const [n, a, l, g] = props.get(bill);
console.log(l +…
Blake H
- 431
- 5
- 9
5
votes
5 answers
Fatal error: Cannot redeclare happening on same line
I have been fighting with this error for a while. The error is somewhere in the function I now have php telling me it can't redeclare a variable on the same line... strange. Any help would be great.
Fatal error: Cannot redeclare
…
Brooke.
- 3,691
- 13
- 49
- 80
5
votes
4 answers
C++ inheritance: scoping and visibility of members
Can you explain why this is not allowed,
#include
class B {
private:
int a;
public:
int a;
};
int main() {
return 0;
}
while this is?
#include
class A {
public:
int a;
};
class B : public A{
private:
int…
Moeb
- 10,527
- 31
- 84
- 110
5
votes
1 answer
JavaScript eval() and const
I just stumbled upon a strange JavaScript error using Mozilla Rhino as a JavaScript engine.
This one line script throws an error:
eval("const a = 5;");
The error is:
TypeError: redeclaration of var a.
I would expect this error, if the line is…
chriz
- 198
- 1
- 5
4
votes
2 answers
C++ inline redeclaration
Consider the following example (in the same translation unit):
inline void f();
void f() {}
What happens at the redeclaration of f? Is f still considered inline?
I looked in the standard for this situation but I only found the reverse of it in…
user42768
- 1,951
- 11
- 22
4
votes
1 answer
Visible refinement of class methods
consider the following small ocaml class hierarchy:
class x = object method i = 0 end ;;
class y = object method x = new x end ;;
class x2 = object method i = 0 method j = 1 end ;;
class z = object method x = new x2 inherit y end;; (* type error…
choeger
- 3,562
- 20
- 33