FAQ > The use of the continue keyword


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FAQ > Explanations of... > The use of the continue keyword

This item was added on: 2003/03/14

It seems that people place continue near goto when it comes to holy wars. The question stems from whether or not continue falls into structured programming practice as well as whether a pure structured programming practice is practical in the real world.


/* if..else */
while ( ( ch = getchar() ) != EOF ) 
{
  if ( ch == ' ' ) 
  {
    /* Process whatever is left */
  }
}

/* continue */
while ( ( ch = getchar() ) != EOF ) 
{
  if ( ch != ' ' )
    continue;

  /* Process whatever is left */
}


By this train of thought, continue is perfectly suited to structured programming. However, opinions are rarely swayed by rational thought. The best advice I have heard is that continue is a tool and since there is no proof for whether its usage is correct or not, use it where it is needed and be prepared to be wrong in your decision.

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