Class Pxp_document.data_impl

class ['a node #extension as 'a] data_impl : 'a -> ['a] node

<ID:class-data-impl> <TYPE:class> <CALL> 'ext data_impl <SIG> AUTO <DESCR> This class is an implementation of node which realizes data nodes. You can create a new object by

let exemplar = new data_impl ext_obj

which creates a special form of empty data node which already contains a reference to the ext_obj, but is otherwise empty. This special form is called a data exemplar. In order to get a working data node that can be used in a node tree it is required to apply the method create_data on the exemplar object. </ID>