๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ
728x90
๋ฐ˜์‘ํ˜•

Reference1

[Swift] ํด๋กœ์ ธ๋Š” ์™œ ์ฐธ์กฐํƒ€์ž…์ผ๊นŒ?(Why closure is reference type?) ์•ˆ๋…•ํ•˜์„ธ์š” Foma๐Ÿ‘Ÿ ์ž…๋‹ˆ๋‹ค! ์˜ค๋Š˜์€ ํด๋กœ์ ธ๊ฐ€ ์™œ ์ฐธ์กฐํƒ€์ž…์ธ์ง€์— ๋Œ€ํ•ด์„œ ์•Œ์•„๋ณด๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค! ๋ฐ”๋กœ ์‹œ์ž‘ํ• ๊ฒŒ์š”~ ํด๋กœ์ ธ๋ž€? ํด๋กœ์ ธ๋Š” ์ด๋ฆ„์ด ์ •ํ•ด์ ธ์žˆ์ง€ ์•Š์€ ํ•จ์ˆ˜ ์ฆ‰, ์ต๋ช…ํ•จ์ˆ˜์ž…๋‹ˆ๋‹ค! (์—„๋ฐ€ํžˆ ๋งํ•˜๋ฉด ๋ชจ๋“  ํ•จ์ˆ˜๋ฅผ ๋œปํ•˜๊ธฐ๋„ ํ•ฉ๋‹ˆ๋‹ค.) ์ผ๊ธ‰ ๊ฐ์ฒด๋กœ์จ ์—ญํ• ์„ ํ•˜๋ฏ€๋กœ ์ธ์ž๋กœ ๋ณด๋‚ผ ์ˆ˜๋„ ์žˆ๊ณ  ๋ฐ˜ํ™˜๊ฐ’์„ ์ „๋‹ฌํ•˜๊ฑฐ๋‚˜ ์ €์žฅํ•  ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค. ๋ณดํ†ต ํ•จ์ˆ˜๋Š” ์•„๋ž˜์™€ ๊ฐ™์ด ์ž‘์„ฑ๋˜์–ด ์žˆ์ฃ ? func hello() -> String { return "hello" } ํด๋กœ์ ธ๋Š” ์•„๋ž˜์™€ ๊ฐ™์ด ํ•จ์ˆ˜๋ช…์ด ์—†์ด ํ•จ์ˆ˜์™€ ๊ฐ™์€ ์—ญํ• ์„ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. let hello:(()->String) = { return "hello"} ํด๋กœ์ ธ์— ๋Œ€ํ•œ ๊ธ€์ด ์•„๋‹ˆ๋ฏ€๋กœ ๊ฐ„๋‹จํ•˜๊ฒŒ๋งŒ ์„ค๋ช…ํ•˜๊ณ  ๋„˜์–ด๊ฐˆ๊ฒŒ์š”~ ์ฐธ์กฐ ํƒ€์ž…์ด๋ž€? ์ฐธ์กฐ ํƒ€์ž…์€ ๊ฐ์ฒด์˜ ์ฃผ์†Œ๋ฅผ ๋ฉ”๋ชจ๋ฆฌ์— ์ €์žฅํ•ด์„œ ์‚ฌ.. 2021. 5. 27.
728x90
๋ฐ˜์‘ํ˜•