loop
A loop specifies a block of code that will run repetitively until a halting condition is encountered.
For example:
let mut arr = array![];
// Same as ~ while (i < 10) arr.append(i++);
let mut i: u32 = 0;
let limit = 10;
loop {
if i == limit {
break;
};
arr.append(i);
i += 1;
};