[TypeScript] νƒ€μž… ν˜Έν™˜(Type Compatibility)

πŸ“„ νƒ€μž… ν˜Έν™˜(Type Compatibility)

νƒ€μž… ν˜Έν™˜μ€ νƒ€μž…μŠ€ν¬λ¦½νŠΈ μ½”λ“œμ—μ„œ νŠΉμ • νƒ€μž…μ΄ λ‹€λ₯Έ νƒ€μž…μ— 잘 λ§žλŠ”μ§€ μ•Œλ €μ£ΌλŠ” νŠΉμ§•μž…λ‹ˆλ‹€.

interface Developer {
  name: string;
  skill: string;
}

interface Person {
  name: string;
}

var developer: Developer;
var person: Person;

developer = person; // Error
person = developer;

νƒ€μž… ν˜Έν™˜μ€ λΆ€λΆ„ μ§‘ν•© κ°œλ…μœΌλ‘œ μ ‘κ·Όν•˜λ©΄ μ΄ν•΄ν•˜κΈ° μ‰½μŠ΅λ‹ˆλ‹€.

μ—λŸ¬κ°€ λ‚œ μ΄μœ λŠ” developer(μ™Όμͺ½)κ°€ 더 λ§Žμ€ νƒ€μž…μ„ κ°€μ§€κ³  있기 λ•Œλ¬Έμž…λ‹ˆλ‹€.

였λ₯Έμͺ½μ˜ νƒ€μž…μ΄ 더 λ§Žμ•„μ•Ό νƒ€μž… ν˜Έν™˜μ΄ μ΄λ£¨μ–΄μ§ˆ 수 μžˆμŠ΅λ‹ˆλ‹€.

좜처

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