expected unqualified-id before 'if' Code Answer's

Expected an ID to be given for the if condition before the statement that follows. If a block is not provided (with { ... }), an ID must be provided even if there is only one statement in the block.

expected unqualified-id before 'if'

By Misty MacaqueMisty Macaque on May 12, 2020
void loop(){

if(distanceCm < 21){
  digitalWrite(13, HIGH);
  digitalWrite(13, LOW);

Source: arduino.stackexchange.com

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If a function is called without any arguments, it is said to be unqualified. This means that there are no arguments and the function takes no arguments. In contrast, if a function is called with an argument, it is said to be qualified.

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