Module working_impl 

Functional streaming parser implementation for DDEX

This is a minimal but FUNCTIONAL streaming parser that demonstrates:

• Memory-bounded streaming with O(1) complexity
• Chunk-based feeding for real-world usage
• Progress tracking and memory monitoring
• Security features (depth limits, entity protection)

Structs

WorkingStreamIterator

Working streaming iterator for easy use

WorkingStreamingParser

Working streaming parser with real functionality

WorkingStreamingStats

Working streaming statistics

Enums

WorkingStreamingElement

Functional streaming element for real-world use