dart (flutter) 문법 - 제어문. if, for, forEach, switch

- if 문.

if (isRaining()) {
you.bringRainCoat();
} else if (isSnowing()) {
you.wearJacket();
} else {
car.putTopDown();
}

- for, forEach 문.

var message = StringBuffer('Dart is fun');
for (var i = 0; i < 5; i++) {
message.write('!');
}

for (final candidate in candidates) {
candidate.interview();
}

var collection = [1, 2, 3];
collection.forEach(print); // 1 2 3

- while, do while 문.

while (!isDone()) {
doSomething();
}


do {
printLine();
} while (!atEndOfPage());

- switch 문. 

test() {
  var command = 'OPEN';
  switch (command) {
    case 'OPEN':
      executeOpen();
      break;
    default:
      executeUnknown();
  }
}

참고.

https://dart.dev/guides/language/language-tour#control-flow-statements