CS.LOOP.STR.CONCAT

Using string concatenation in a loop wastes time and memory. Use StringBuilder instead.

Example 1

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  class Foo {
      public string Build(int n, string x) {
          string res = "";
          for (int i = 0; i < n; i++) {
              res += x;       // defect
          }
          return res;
      }
  }

External guidance

• CWE-398: Indicator of Poor Code Quality