getPackageValueFromKey

GetPackageValueFromKey.cyan

package metaobjectTest


@doc{*
  Annotation 'GetPackageValueFromKey' is String expression. It is
  "" if its parameter is not a key of the package of the current 
  prototype. If it is, the expression is the value associated to 
  the key in the package but transformed into a string by either 
  method toString of Java or method asString of Cyan.
  
*}
object GetPackageValueFromKey

    func run {
        /*
            The project file, p.pyan, has the contents
            
            
                @setVariable(debug, "yes")
                @setVariable(author, "Jose") 
                // elided
                program
                    // elided    
                    @setVariable(test, create)
                    @setVariable(goal, "Test all metaobjects")
                    package metaobjectTest
                    // elided    

            The package variable 'test' is associated to 
            "create" (even without the quotes) and 'goal' to                    
                "Test all metaobjects"
        */
        var String value = @getPackageValueFromKey(test);
        assert value == "create";
        value = @getPackageValueFromKey(goal);
        assert value == "Test all metaobjects";
    }

end