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pbody2012

How to pass array<string>& to a function?

8 posts in this topic

Just as the title says, how do i pass array<string>& to a function?

 

I have this function defined in anglescript and I have other script functions calling it.  However, it is failing to compile with this message: unit-spec.as (5,25) : ERR : Expeted ">" or ","

 

bool stringInList( array<string>& arg, string s )
{
	for( uint n = 0; n < arg.length(); n++ )
	{
		if( arg[n] == s )
			return true;
	}
	return false;
} 

 

 

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This is the correct way to declare a function that takes an array reference as input and output. It shouldn't be a problem compiling this. It's possible that you've stumbled on a bug in AngelScript, however I'm not able to recreate any problem with just this script sample.

 

What version of AngelScript are you using? 

 

Are you using any non-default options in your application, e.g. asEP_ALLOW_UNSAFE_REFERENCES?

 

Are you using namespaces?

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I'm using version 2.26

I am not using any non default options, I have not touched these at all.

I am using a namespace but it is for another piece of code.

This code is in a separate file and it is being included in another file.

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Though you don't want to use the repository version yet, would it be possible for you to just give it a try to see if it fixes the problem you're having? There hasn't been any changes to the interface so it should just be a matter of recompiling your app with the new header (to get the right ANGELSCRIPT_VERSION).

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Ok I found out that I forget to register the array types, so I did that.  The function is compiling, however I cant it.

 

I have the following code that I call the function from:

 

array<string> gEngineRPMUnits = { "stall-rpm","start-rpm","idle-rpm","redline-rpm","max-rpm" };

string VerifyEngineUnitSpec( string attribute, string unitSpec )
{
	// local
	// string result;
	
	// check for rpm
	if( stringInList(gEngineRPMUnits,attribute) )
	{
		// unit has to be rpm, rps, rad/s
		if( unitSpec!="revolution" )
			return "error";
		else
			return unitSpec;
	}
        return "";
}

 

Is this valid?

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Yes. this is valid code. 

 

Perhaps you could share what problem you're facing? Are you getting compiler errors? Or is the code not behaving as you expect? 

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