4.14.3 Flags
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  • Documentation
    • Reference manual
      • Built-in Predicates
        • Database
          • Flags
            • get_flag/2
            • set_flag/2
            • flag/3
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Availability:built-in
get_flag(+Key, -Value)
True when Value is the value currently associated with Key. If Key does not exist, a new flag with value‘0' (zero) is created.