1. RE: variable start values
Well ok,
Sometimes it works and sometimes it doesn't. I went back and tested it
several times without the var initializing and it generated the correct
error message. The point is, sometimes it doesn't. I am assuming that I
have to initialize every variable, but I have had euphoria for every
year and this happens occassionally(like today)
Jason Dube wrote:
>
>
> Hi,
> Im writing a simple punctuation checker, I get the following message
> when I try to execute this:
>
> "capital1 has not been assigned a value"
>
> function check_for_punc_1(object x)
> boolean capital1
> if x[1][1] < 90 then
> position(2,1)
> puts(1,"GARBLE: [Sentence is not capitalized...]")
> capital1=0
> end if
> return capital1
> end function
>
> Do I have to initialize it first?
> Because I have noticed that at other times, with similar things, I dont
> have to initialize...
> For instance, if I go back to my function and add this line:
>
> function check_for_punc_1(object x)
> boolean capital1
> capital1=1
> if x[1][1] < 90 then
> position(2,1)
> puts(1,"GARBLE: [Sentence is not capitalized...]")
> capital1=0
> end if
> return capital1
> end function
>
> The program will run fine...
> Then I can actually go back and DELETE that line, and it will still run
> fine. I can save the program and run it as many times as I want
> and it will run fine without that initialization.
>
> Almost like the interpreter remembers when I initialized it...
>
> Am I making sense? What is going on? I would just as soon NOT initialize
>
> the variable if my routine is going to set the value later.
> But the question is:do I have to or not?
>
2. RE: variable start values
Jason,
By the time the function hits the return, there needs to be a value
assigned to capital1. If x[1][1] is less than 90, that happens. But if
not, there is no other place for the value to be assigned, so the
program crashes. You have to options to correct this: initialize
capital1 or add an else statement to assign a value to capital1. You
could also remove the variable altogether and use multiple returns.
if x[1][1] < 90 then
-- do stuff
return 0
else
return 1
end if
HTH,
Mike Sabal
>>> dubetyrant at hotmail.com 12/10/2003 11:42:20 AM >>>
Jason Dube wrote:
>
> "capital1 has not been assigned a value"
>
> function check_for_punc_1(object x)
> boolean capital1
> if x[1][1] < 90 then
> position(2,1)
> puts(1,"GARBLE: [Sentence is not capitalized...]")
> capital1=0
> end if
> return capital1
> end function
3. RE: variable start values
Hi,
Thanks for both replies...I understand clearly now, thank you.
Mike Sabal wrote:
>
>
> Jason,
> By the time the function hits the return, there needs to be a value
> assigned to capital1. If x[1][1] is less than 90, that happens. But if
> not, there is no other place for the value to be assigned, so the
> program crashes. You have to options to correct this: initialize
> capital1 or add an else statement to assign a value to capital1. You
> could also remove the variable altogether and use multiple returns.
>
> if x[1][1] < 90 then
> -- do stuff
> return 0
> else
> return 1
> end if
>
> HTH,
> Mike Sabal
>
> >>> dubetyrant at hotmail.com 12/10/2003 11:42:20 AM >>>
> Jason Dube wrote:
> >
> > "capital1 has not been assigned a value"
> >
> > function check_for_punc_1(object x)
> > boolean capital1
> > if x[1][1] < 90 then
> > position(2,1)
> > puts(1,"GARBLE: [Sentence is not capitalized...]")
> > capital1=0
> > end if
> > return capital1
> > end function
>
>
4. RE: variable start values
Pete Lomax wrote:
>
>
> On Wed, 10 Dec 2003 16:33:19 +0000, Jason Dube
> <dubetyrant at hotmail.com> wrote:
>
> > if x[1][1] < 90 then
>
> It took me a moment to figure that out. I suggest you use
> "if x[1][1] < 'Z' then" instead, and probably <= as well.
>
> Regards,
> Pete
>
Well,
I had it backwards, it was supposed to tell me if the sentence was not
capitalized, which would have been if x[1][1] > 90 anyways...of course
this wouldn't help if the user put something lower than 'A', but I'll
restrict it more later. :)
But using 'Z' is better, more readable,and thorough, thx.
5. RE: variable start values
Pete Lomax wrote:
>
>
> On Wed, 10 Dec 2003 16:33:19 +0000, Jason Dube
> <dubetyrant at hotmail.com> wrote:
>
> > if x[1][1] < 90 then
>
> It took me a moment to figure that out. I suggest you use
> "if x[1][1] < 'Z' then" instead, and probably <= as well.
>
> Regards,
> Pete
> If he wants to trap non capital letters shouldn't it be <65 or > 90 --
> <'A' or >'Z' this would trap lower case plus misc numbers, punctuation ,
> etc.
