chr_trace/0

Documentation
- Reference manual
  - CHR: Constraint Handling Rules
    - Debugging CHR programs
      - CHR Debugging Predicates
        
        chr_trace/0
        
        chr_notrace/0
        
        chr_leash/1
        
        chr_show_store/1
        
        find_chr_constraint/1
- Packages

Activate the CHR tracer. By default the CHR tracer is activated and deactivated automatically by the Prolog predicates trace/0 and notrace/0.