Help for if statements

[storm2713687]

I was just wondering if I can use if statements like this (For an example):

Turing:

var operation : int put "Type and enter 1 for operation 1, 2 for operation 2, or 3 for operation 3." get operation if 1 then     put "1+1=", 1 + 1 elsif 2 then     put "1+2=", 1 + 2 else     put "1+3=", 1 + 3 end if

Would that work? I've only used booleans for my if statements so far, but I'd like to try this, but I'm not sure if it works (last time I remember doing something like that, it failed).

[Tony]

you could read the documentation -- if -- to see exactly what you can do with the statement.

[Insectoid]

The nice thing about programming is that if you want to try something, you can.

[storm2713687]

Insectoid @ Wed Feb 27, 2013 7:39 pm wrote:

The nice thing about programming is that if you want to try something, you can.

I was at school so I couldn't use Turing xD
Since there's compsci at high schools, the computer probably had it, but I just didn't know the location of it. Thanks for helping though, guys!

[jbking]

Case would be like what you want so there is a command to do that, if you want to know about it.[/url]

[yazdmich]

Turing:

var op : int put "Type and enter 1 for operation 1, 2 for operation 2, or 3 for operation 3." get op if op = 1 then     put "1+1=", 1 + 1 elsif op = 2 then     put "1+2=", 1 + 2 else     put "1+3=", 1 + 3 end if

You must tell the compiler what variable to read, easy mistake, Turing's compiler is highly declarative. almost nothing is inferred (constant typing [int, real, nat, string etc] can be inferred, but everything else is declared)

[storm2713687]

Jbking, what do you mean by that?

yazdmich @ Fri Mar 01, 2013 12:55 pm wrote:

Turing:

var op : int put "Type and enter 1 for operation 1, 2 for operation 2, or 3 for operation 3." get op if op = 1 then     put "1+1=", 1 + 1 elsif op = 2 then     put "1+2=", 1 + 2 else     put "1+3=", 1 + 3 end if

You must tell the compiler what variable to read, easy mistake, Turing's compiler is highly declarative. almost nothing is inferred (constant typing [int, real, nat, string etc] can be inferred, but everything else is declared)

Can you give an example plz?
I don't quite understand that

[yazdmich]

storm2713687 @ Fri Mar 01, 2013 5:11 pm wrote:

Jbking, what do you mean by that?

yazdmich @ Fri Mar 01, 2013 12:55 pm wrote:

Turing:

var op : int put "Type and enter 1 for operation 1, 2 for operation 2, or 3 for operation 3." get op if op = 1 then     put "1+1=", 1 + 1 elsif op = 2 then     put "1+2=", 1 + 2 else     put "1+3=", 1 + 3 end if

You must tell the compiler what variable to read, easy mistake, Turing's compiler is highly declarative. almost nothing is inferred (constant typing [int, real, nat, string etc] can be inferred, but everything else is declared)

Can you give an example plz?
I don't quite understand that

I fixed your code so it would work in turing. declaring means to say what it is checking, in this case the value of the variable op

[jbking]

I mean that the structure of code you want where you just want to state the value and have it automatically do the line you want already exists as a separate command called "case" which you may want to research. From the documentation that should look a lot like what you wanted to some degree if I interpret what you wanted correctly. Here would be an example that is similar to what you wanted:

Turing:

case mark of             label 9, 10 :   put "Excellent"             label 7, 8 :        put "Good"             label 6 :       put "Fair"             label :     put "Poor"         end case

[storm2713687]

yazdmich @ Fri Mar 01, 2013 5:39 pm wrote:

storm2713687 @ Fri Mar 01, 2013 5:11 pm wrote:

Jbking, what do you mean by that?

yazdmich @ Fri Mar 01, 2013 12:55 pm wrote:

Turing:

var op : int put "Type and enter 1 for operation 1, 2 for operation 2, or 3 for operation 3." get op if op = 1 then     put "1+1=", 1 + 1 elsif op = 2 then     put "1+2=", 1 + 2 else     put "1+3=", 1 + 3 end if

You must tell the compiler what variable to read, easy mistake, Turing's compiler is highly declarative. almost nothing is inferred (constant typing [int, real, nat, string etc] can be inferred, but everything else is declared)

Can you give an example plz?
I don't quite understand that

I fixed your code so it would work in turing. declaring means to say what it is checking, in this case the value of the variable op

Ohhh thanks
Is it possible to change else to elsif op = 3?

jbking @ Fri Mar 01, 2013 6:17 pm wrote:

I mean that the structure of code you want where you just want to state the value and have it automatically do the line you want already exists as a separate command called "case" which you may want to research. From the documentation that should look a lot like what you wanted to some degree if I interpret what you wanted correctly. Here would be an example that is similar to what you wanted:

Turing:

case mark of             label 9, 10 :   put "Excellent"             label 7, 8 :        put "Good"             label 6 :       put "Fair"             label :     put "Poor"         end case

I didn't get there in turing yet xD
Thanks for helping though

[Raknarg]

Personally I wouldn't use cases in turing, they're stupid. In most languages you can set ranges, but not in Turing. With bigger ranges you might as well use ifs.

[storm2713687]

Raknarg @ Sat Mar 02, 2013 1:11 pm wrote:

Personally I wouldn't use cases in turing, they're stupid. In most languages you can set ranges, but not in Turing. With bigger ranges you might as well use ifs.

Well now I know another thing not to use in turing


Btw, is it possible to have the if statement something like this:
if variable1 = yes then
put "hi"
elsif variable1 = no then
put "bye"
end if

[Raknarg]

Why not? It's essentially the same as what you were doing before.

[storm2713687]

Raknarg @ Sat Mar 02, 2013 7:56 pm wrote:

Why not? It's essentially the same as what you were doing before.

Well, I just wanted to have a bigger variety of options for my if statements.
Now I have another question
Can I use an if statement within another if statement?

[Tony]

storm2713687 @ Sat Mar 02, 2013 9:25 pm wrote:

Can I use an if statement within another if statement?

Yes. As I've linked to above ? http://compsci.ca/holtsoft/doc/if.html "An ifStatement is:"

Quote:

if trueFalseExpn then
statementsAndDeclarations
{ elsif trueFalseExpn then
statementsAndDeclarations }
[ else
statementsAndDeclarations ]
end if

So inside of an ifStatement you can have any statementsAndDeclarations, which includes other ifStatement.