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[iOS / Swift] Equatable, Hashable, Comparable

Swift์—๋Š” ์—ฌ๋Ÿฌ ๊ฐ€์ง€ ํ”„๋กœํ† ์ฝœ์ด ์กด์žฌํ•˜์ฃ ! ๊ทธ์ค‘์—์„œ๋„ Equatable, Comparable, Hashable์€ ๊ฐ€์žฅ ์ž์ฃผ ์‚ฌ์šฉ๋˜๋Š” ๊ธฐ๋ณธ ํ”„๋กœํ† ์ฝœ์ž…๋‹ˆ๋‹ค.๋ชจ๋ธ ๋น„๊ต, ์ •๋ ฌ, ์ค‘๋ณต ์ œ๊ฑฐ ๋“ฑ ์‹ค๋ฌด์—์„œ๋„ ์ž์ฃผ ๋“ฑ์žฅํ•˜๋Š” ์ค‘์š”ํ•œ ๊ฐœ๋…์ธ๋ฐ์š”. ๊ทธ๋Ÿผ ์ฐจ๊ทผ์ฐจ๊ทผ ํ•˜๋‚˜์”ฉ ์•Œ์•„๋ด…์‹œ๋‹ค!๐ŸŽ EquatableEquatable์€ ๋‘ ๊ฐ’์ด ๊ฐ™์€์ง€ ๋น„๊ตํ•  ์ˆ˜ ์žˆ๋Š” ํƒ€์ž…์„ ์ •์˜ํ•˜๋Š” ํ”„๋กœํ† ์ฝœ์ž…๋‹ˆ๋‹ค.๊ณต์‹ ๋ฌธ์„œ๋ฅผ ์‚ดํŽด๋ณด๋ฉด…“Values of types that conform to Equatable can be checked for equality using the == operator.” ์ฆ‰, Equatable์„ ์ฑ„ํƒํ•˜๋ฉด == ์—ฐ์‚ฐ์ž๋ฅผ ํ†ตํ•ด ๋‘ ์ธ์Šคํ„ด์Šค๊ฐ€ ๊ฐ™์€์ง€ ๋น„๊ตํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. Equatable์˜ ํŠน์ง•== ์™€ != ์—ฐ์‚ฐ์ž๋ฅผ ์‚ฌ์šฉํ•  ..

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