passing variables in action

[Srirama Bhamidipati]

Hi,

I am having a little trouble in using action and passing variable (arguments) from a do statement to a action block. I tried from https://code.google.com/p/gama-platform/wiki/G__Statements#do , but not much success, Could you please point me to some examples where do is sending some arguments and may be also receiving them. it was a little difficult to find them with search function (ctrl+H) in the GUI.

 Will be very helpful. 

thanks.

Srirama

[Patrick Taillandier]

You have many examples in the "Syntax/Syntax (1.6)" model

//Compact

list<int> dummy1 (int a <- 100, float b) {

return [a, int(b)];

}

// The classic way

do action: dummy1 with: [a::10, b::100];

// Another classic way using facets

do action: dummy1 a: 10 b: 100;

// Another by removing the first facet

do dummy1 a: 10 b: 100;

// The new alternative one 

do dummy1(a: 10, b: 100);

Cheers,

Patrick

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[Alexis Drogoul]

Hi Srirama,

Better explain what you intend to do. Otherwise the passing of arguments to actions is pretty straightforward in GAML.

If you declare in a species S the following action:

action A(int one, float two) {…}

then you can use this action somewhere else, for instance:

ask one_of(S) {
do A(1, 1.0);
}

Is it what you were looking for ?

Cheers
Alexis

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[Srirama Bhamidipati]

Thank you Patrick, Alexis. I am just learning the syntax. So far I have been building more of a sequential models, step by step, line by line execution, storing temporary variables and making global variables, now I am learning to use functions( actions) to pass some variables. So I did not have any example i am working on, so i could not quote what I am working on.

I will study your examples.

thanks

Srirama