Documentation for method set_export_callback assembled from the following types:

class Metamodel::EnumHOW

From Metamodel::EnumHOW

(Metamodel::EnumHOW) method set_export_callback

method set_export_callback($obj, $callback)

Sets the enum's export callback, which is invoked when calling .compose_values. This is called when applying the export trait to an enum. $callback should be a routine of some sort, taking no arguments, that handles exporting the enum's values.