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무결성 μ œμ•½ κ·œμΉ™Β #10

@dididy

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@dididy

const λŠ” λΆˆλ³€ λ³€μˆ˜λ₯Ό μ •μ˜ν•  λ•Œ μ‚¬μš©ν•œλ‹€. 그런데 λ‚˜λŠ” μ§€κΈˆκΉŒμ§€ push, splice, pop, shift 같은 κ°€λ³€ λ‚΄μž₯ ν•¨μˆ˜λ₯Ό μ‚¬μš©ν•˜μ—¬ λ³€κ²½ν•΄μ™”λ‹€.

<Do it! λ¦¬μ—‘νŠΈ ν”„λ‘œκ·Έλž˜λ° 정석> 책을 μ½λ‹€λ³΄λ‹ˆ 무결성 μ œμ•½ κ·œμΉ™μ— λŒ€ν•΄μ„œ μ„€λͺ…ν•΄μ£Όμ—ˆλ‹€. 결둠적으둜 const둜 μ •μ˜ν•œ κ°μ²΄λ‚˜ 배열은 κ°€λ³€ λ‚΄μž₯ ν•¨μˆ˜λ‘œ μˆ˜μ •ν•  수 있긴 ν•˜μ§€λ§Œ μ΄λŸ°μ‹μœΌλ‘œ μ‚¬μš©ν•˜λŠ” 것은 μ§€μ–‘ν•΄μ•Ό ν•œλ‹€.

μ•„λž˜μ™€ 같이 무결성 λ‚΄μž₯ ν•¨μˆ˜μΈ concat 및 sliceλ₯Ό μ‘°ν•©ν•˜λ©΄ κ°€λ³€ λ‚΄μž₯ ν•¨μˆ˜μ˜ κΈ°λŠ₯을 λ™μΌν•˜κ²Œ μˆ˜ν–‰ν•˜λ„λ‘ ν•  수 μžˆλ‹€. 이 κ³Όμ •μ—μ„œ return 된 값을 μƒˆλ‘œμš΄ λΆˆλ³€ λ³€μˆ˜μ— λŒ€μž…ν•˜λŠ” μ‹μœΌλ‘œ 무결성 μ œμ•½ κ·œμΉ™μ„ 지킬 수 μžˆλ‹€.

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μ‹€λ¬΄μ—μ„œ 일반적으둜 무결성 μ œμ•½ κ·œμΉ™μ„ μ‚¬μš©ν•˜λŠ”μ§€λŠ” 잘 λͺ¨λ₯΄κ² λ‹€. λ‹€λ§Œ μ €μžμ˜ νšŒμ‚¬(Aribnb)μ—μ„œλŠ” μ΄λ ‡κ²Œ μ‚¬μš©ν•˜λŠ” λ“― ν•˜λ‹€.

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