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Tutorial
typescript

Advanced TypeScript: Type Inference and Advanced Types 

function printId(id: number | string) {
  console.log('ID:', id);
}

printId(101);
printId('ABC123');
type Direction = 'up' | 'down' | 'left' | 'right';

function move(direction: Direction) {
  console.log('Moving', direction);
}

move('up'); // valid
move('right'); // valid
// move('forward'); // error

Aug 05, 2024
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