while

Use while for condition-controlled looping.

Full reference: flow while.

Notes#

• Supported forms + tests: flow while

Syntax#

while condition {
  // ...
}

Example#

fn main () -> int {
  let mut i: int = 0;
  let mut sum: int = 0;

  while i < 3 {
    sum += i;
    i += 1;
  }

  return sum; // 0 + 1 + 2 = 3
}

See also#

• Full reference: flow while
• break / continue: flow break, flow continue