:= not working as thought

[kryton9]

Code: Text

1. 'Error when using := with if statements. I thought we were supposed to use them with those?
2.  
3. 'this part works
4. int x, y
5. y = 0
6. string s = ""
7.  
8. for x = 1 to 25
9.     y++
10.     if y = 20 then
11.         y = 0
12.     end if
13.     s+= "x " x  "     y " y chr(10) chr(13)
14. next
15.  
16. print s
17.  
18.  
19. 'this doesn't work
20. quad i, j
21. j = 0
22. s = ""
23.  
24. for i = 1 to 25
25.     j++
26.     if j := 20 then
27.         j = 0
28.     end if
29.     s += "i " i  "     j " j chr(10) chr(13)
30. next
31.  
32. print s
33.  
34.  
35. 'this works
36. j = 0
37. s = ""
38.  
39. for i = 1 to 25
40.     j++
41.     if j = 20 then
42.         j = 0
43.     end if
44.     s += "i " i  "     j " j chr(10) chr(13)
45. next
46.  
47. print s

[Charles Pegge]

it assigns the value of right hand expression to j then  makes a zero / nonzero evaluation on the right hand expression and procedes if non zero.


if j := 20

Charles

PS I see there is a problem with assigning to quads in this way