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scope functions1

Kotlin - Scope functions (let, with, run, apply, also) ์ฝ”ํ‹€๋ฆฐ์„ ์‚ฌ์šฉํ•˜๋ฉด์„œ ํ•ญ์ƒ ํ—ท๊ฐˆ๋ ธ๋˜ Scope functions ์— ๋Œ€ํ•ด ์ •๋ฆฌํ•ด ๋ณด๊ณ ์ž ํ•ฉ๋‹ˆ๋‹ค. ์ฝ”ํ‹€๋ฆฐ์„ ์‚ฌ์šฉํ•˜๋‹ค ๋ณด๋ฉด ๊ต‰์žฅํžˆ ์ž์ฃผ ์ ‘ํ•˜๊ณ  ์‚ฌ์šฉํ•  ๊ฐœ๋…๋“ค์ด๊ธฐ์— ์ด๋ฒˆ ๊ธฐํšŒ์— ํ™•์‹คํžˆ ์ •๋ฆฌํ•˜๊ณ , ์–ด๋–ค ์ƒํ™ฉ์— ์–ด๋–ค ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ์ ํ•ฉํ• ์ง€ ์ •ํ™•ํžˆ ํŒŒ์•…ํ•˜๋Š” ๊ฒƒ์ด ๋ชฉํ‘œ์ž…๋‹ˆ๋‹ค. Scope functions๊ธฐ๋ณธ์ ์œผ๋กœ Scope functions๋Š”, ์ฝ”๋“œ ๋ธ”๋ก์„ ์‹คํ–‰ํ•˜๋Š” ํŠน์ • ๊ฐ์ฒด์— ๋Œ€ํ•ด ๋™์ผํ•œ ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค.์ผ๋ถ€๋Š” ๋žŒ๋‹ค ํ‘œํ˜„์‹์ด ์ œ๊ณต๋˜๊ณ , ๊ฐ์ฒด์˜ ์ด๋ฆ„์„ ์‚ฌ์šฉํ•˜์ง€ ์•Š๊ณ ๋„ ๊ฐ์ฒด์— ์ ‘๊ทผ์ด ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค. (this, it) ์ฝ”ํ‹€๋ฆฐ์˜ Scope functions์—๋Š” let, run, with, apply, also 5๊ฐ€์ง€์˜ ํ•จ์ˆ˜๋“ค์ด ์กด์žฌํ•ฉ๋‹ˆ๋‹ค. ์œ„ ๋‘ ์ฝ”๋“œ๋Š” ๋™์ผํ•œ ๋กœ์ง์„ ์ˆ˜ํ–‰ํ•˜์ง€๋งŒ, let ์„ ์‚ฌ์šฉํ•˜๋ฉด ๋”์šฑ ๊ฐ„๋‹จํ•˜๊ฒŒ ๊ฐ.. 2024. 12. 15.
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