Hi,
I'm making some modifications to royale-asjs to fix the warnings: "incorrect 
type", "comparison between different types", etc, etc.
I have a question about the Spark Grid component because I don't work with 
mx/spark and I don't know what the best implementation would be.
The warning occurs in the isCellVisible function [1]:

Warning: GridView used where a Boolean value was expected.  The expression will 
be type coerced to Boolean.

public function isCellVisible(rowIndex:int = -1, columnIndex:int = -1):Boolean
        {
            const view:GridView = getGridViewAt(rowIndex, columnIndex);
            return view ;//&& view.gridViewLayout.isCellVisible(rowIndex, 
columnIndex);
        }
[1] 
https://github.com/apache/royale-asjs/blob/0d87dd2f3324e793958211cb6877facf62ee213a/frameworks/projects/SparkRoyale/src/main/royale/spark/components/Grid.as#L4185

¿true/false?

Thx.

Hiedra

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