Syntax of int Array in Message (OT: Objective-C Forum)
Syntax of int Array in Message (OT: Objective-C Forum)
- Subject: Syntax of int Array in Message (OT: Objective-C Forum)
- From: Jason Barker <email@hidden>
- Date: Tue, 16 Jan 2007 09:31:11 -0700
On Jan 15, 2007, at 1:14 PM, Scott Stevenson wrote:
On Jan 15, 2007, at 9:05 AM, Jason Barker wrote:
I am looking for a "lively" Objective-C forum. Can anyone suggest
one that is reliable and highly-trafficked?
You're standing in it.
- Scott
Alright then.
I have a class "IntMatrix" in which I want to hold a two-dimensional
array of ints. It has the following init message which also sends a
message 'resetWithArray:' to itself:
/**
* Initialize this object with an array of ints.
*/
- (id)initWithArray:(int[])array
{
self = [super init];
if(self != nil)
{
[self resetWithArray:array];
}
return self;
}
/**
* Reset the int matrix of this object.
*/
- (void)resetWithArray:(int[])array
{
int n, i = 0, j = 0, last = CELLS_PER_ROW * CELLS_PER_COLUMN;
for(n = 0; n < last; n++)
{
matrix[i][j] = array[n];
if(++j == CELLS_PER_COLUMN)
{
j = 0;
i++;
}
}
}
The problem I am having is when I pass an int array in the init
message, I get the following warning: passing argument 1 of
'initWithArray:' from incompatible pointer type
However, when I pass the int array to the object with the
'resetWithArray:' message, it does not have this warning. Can someone
explain what the difference is and how I could correct this so that
there is no warning for using the 'initWithArray:' message? It seems
to work both ways but I get the warning when I pass the array in the
init message and it bothers me.
By the way, I am creating the array as follows:
int _C[] = {0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6};
Thank you,
Jason
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