Inversion Example

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  int integer;
  boolean kmap;;


  Serial.println("!!!!!!!!!!");

  integer=1;
  kmap = true;

  Serial.print("Integer = "); Serial.println(integer);
  integer = !integer;
  Serial.print("Integer = "); Serial.println(integer);

  Serial.print("kmap = "); Serial.println(kmap);
  kmap = !kmap;
  Serial.print("kmap = "); Serial.println(kmap);

  Serial.println("~~~~~~~~~");

  integer=1;
  kmap = true;

  Serial.print("Integer = "); Serial.println(integer);
  integer = ~integer;
  Serial.print("Integer = "); Serial.println(integer);

  Serial.print("kmap = "); Serial.println(kmap);
  kmap = ~kmap;
  Serial.print("kmap = "); Serial.println(kmap);
}

void loop() {
  // put your main code here, to run repeatedly:

}


/**********************
Results:
!!!!!!!!!!
Integer = 1
Integer = 0
kmap = 1
kmap = 0
~~~~~~~~~
Integer = 1
Integer = -2
kmap = 1
kmap = 1
**********************/