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Halstead Total Operands (N2) is one of the source-code metrics Understand computes across 17+ languages — browse them in the GUI, export and track them, or script them with the Python API.

Halstead Total Operands (N2)

API ID: HalsteadTotalOperands
Languages: Any
Targets: Files, Functions

Halstead Total Operands (N2) counts total operands (identifiers and literals)

      int
      sample(               // + 1 sample
      )
      {
        int x               // + 1 x
          =
          strlen(           // + 1 strlen
            "abc"           // + 1 "abc"
          );
        return x            // + 1 x
          *
          2;                // + 1 2
      }                     // = 6