Pascal - Decrement statement: dec

Decrement statement it is a mathematical operation that is used to decrease the number by one.

dec

 dec (value receiver) ;

Compatible programing languages:
Object Pascal | Free Pascal

Even one example in what situations we can use the operation decrement statement:

i:=10;
repeat dec(i) until not i > 0;
repeat
  inc(i);
  if i=5 then
    break;
until not i <10;

Even one example in what situations we can use the operation decrement statement:

repeat dec(i) until not i > 0;
dec(j);

Other pieces of example codes:

if  x = 5 then
   dec(y);

while  y >= 0 do  
      dec(y)

repeat dec(i) until ( i = 0);

dec(i);

dec(y);

Decrement statement in another programming language:

Differences to: