//ww:run-exit 13
// Migrated from 700_e2e row 104.
package main;
import bufio;
import io;
import memio;
fn main() i32 = {
  let raw: [11]u8;
  raw[0] = 102u8; raw[1] = 111u8; raw[2] = 111u8; raw[3] = 10u8;
  raw[4] = 98u8;  raw[5] = 97u8;  raw[6] = 114u8; raw[7] = 10u8;
  raw[8] = 98u8;  raw[9] = 97u8;  raw[10] = 122u8;
  let mst: memio.stream = memio.fixed(raw[0:11]);
  let m:   io.stream = &mst.vt;
  let buf: [16]u8;
  let sc:  bufio.scanner = bufio.newscannerbuf(m, buf[0:16]);
  let acc: i32 = 0;
  let l1: (str | io.eof | io.error | bufio.overflow) = bufio.scanline(&sc);
  match (l1) {
    case let s: str       => acc += s.len;
    case io.eof           => acc += -100;
    case let _e: io.error => acc += -1000;
    case bufio.overflow   => acc += -10000;
  };
  let l2: (str | io.eof | io.error | bufio.overflow) = bufio.scanline(&sc);
  match (l2) {
    case let s: str       => acc += s.len;
    case io.eof           => acc += -100;
    case let _e: io.error => acc += -1000;
    case bufio.overflow   => acc += -10000;
  };
  let l3: (str | io.eof | io.error | bufio.overflow) = bufio.scanline(&sc);
  match (l3) {
    case let s: str       => acc += -100;
    case io.eof           => acc += 7;
    case let _e: io.error => acc += -1000;
    case bufio.overflow   => acc += -10000;
  };
  return acc;
};