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Do ... while structure improvement

Sometimes the use of jumps such as: continue break goto call is necessary to avoid the execution of some instructions.

We suggest this improvement as a replacement for tricks like for(;;) if(condition)break; and jumps.

//allow initializers (extra improvement)
do(bool condition=0){
 //block A
 //block B & initializer still visible

Example print arrays separating its elements

This code prints the content of an array, separating each of its elements by a comma, avoiding the printing of a comma after the last element.

using namespace std;

int main(){
 unsigned a[]={0,1,2,3,4,5,6,7,8,9};
 do(unsigned b=0){
 return 0;

Example auxiliary variables remain unchanged after last cycle

Sometimes a loop requires auxiliary variables, which change each cycle, but after the last one, they must either remain unchanged or it is useless to change them.

int main(){
 unsigned int loop1=0;
 unsigned int loop2;
 unsigned int result=0;
 unsigned int auxiliary1=1,auxiliary2=2,auxiliary3=3;
  //allow initializers (extra improvement)
   //auxiliaries remain unchanged
 return 0;