utils/VMMakerJS.package/Array.extension/class/jscg.prolog.expr.index..st

*vmmakerjs
jscg: cg prolog: aBlock expr: aString index: anInteger

	^cg 
		jscgLoad: aBlock 
		expr: aString 
		asIntPtrFrom: anInteger
		andThen: (cg jscgValBlock: 'isIndexable')