muJSExpression (JSMemberSquare receptor _ index _)                  = Application (Primitive GetAt) [muJSExpression receptor, muJSExpression index]
muJSExpression (JSMemberSquare receptor _ index _)                  = Application (Primitive GetAt) [muJSExpression receptor, muJSExpression index]
muJSExpression (JSMemberSquare receptor _ index _)                  = Application (Primitive GetAt) [muJSExpression receptor, muJSExpression index]