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V3198. The variable is assigned the sam…
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V3198. The variable is assigned the same value that it already holds.

Apr 01 2024

The analyzer has detected that a variable is assigned a value that it already holds.

Let's look at the following example:

public long GetFactorial(long it)
{
  long currentValue = 1;

  for (int i = 1; i <= it; i++)
  {
    currentValue = currentValue * currentValue;
  }

  return currentValue;
}

The 'GetFactorial' method should return the factorial value that matches the parameter. However, the method always returns 1. This happens because at each iteration of the loop, the 'currentValue' variable is assigned a value that it already holds.

To fix it, replace one of the multipliers with 'i':

for (int i = 1; i <= it; i++)
{
  currentValue = currentValue * i;
}