iOS) Dispatch(6) - ์„ฑ๋Šฅ ํ–ฅ์ƒ์„ ์œ„ํ•œ static dispatch

Swift ์˜ dynamic dispatch ๋Š” method table ์—์„œ ํ•จ์ˆ˜๋ฅผ ์ฐพ์€ ๋‹ค์Œ indirect call ์„ ์ˆ˜ํ–‰ํ•˜์—ฌ ๊ตฌํ˜„๋˜๊ธฐ ๋•Œ๋ฌธ์— direct call ๋ณด๋‹ค ์ˆ˜ํ–‰์ด ๋Š๋ฆฝ๋‹ˆ๋‹ค. ๋˜๋Š” indirect call ์€ ๋งŽ์€ ์ปดํŒŒ์ผ๋Ÿฌ ์ตœ์ ํ™”๋ฅผ ๋ฐฉ์ง€ํ•˜์—ฌ ํ˜ธ์ถœ ๋น„์šฉ์ด ๋น„์Œ‰๋‹ˆ๋‹ค. ๊ทธ๋ ‡๋‹ค๋ฉด ์„œ๋ธŒํด๋ž˜์‹ฑ๊ณผ ์˜ค๋ฒ„๋ผ์ด๋”ฉ์ด ํ•„์š”์—†๋Š” ๊ฒฝ์šฐ๋Š” static dispatch ๋กœ ๋™์ž‘ํ•˜๋Š” ๊ฒƒ์ด ์ข‹์ง€ ์•Š์„๊นŒ? ๋งž์Šต๋‹ˆ๋‹ค, ์„ฑ๋Šฅ์ด ์ค‘์š”ํ•œ ์ฝ”๋“œ์—์„œ ์„ฑ๋Šฅ ํ–ฅ์ƒ์— ํ•„์š”ํ•˜์ง€ ์•Š์„ ๋•Œ ์ด dynamic dispatch ๋™์ž‘์„ ์ œํ•œํ•  ์ˆ˜ ์žˆ๋Š” ๋ฐฉ๋ฒ•์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค. ์„ฑ๋Šฅ ํ–ฅ์ƒ์„ ์œ„ํ•œ Static Dispatch ๋ฉ”์„œ๋“œ ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ํ”„๋กœํผํ‹ฐ ์—ญ์‹œ ์˜ค๋ฒ„๋ผ์ด๋”ฉ์˜ ๊ฐ€๋Šฅ์„ฑ์ด ์žˆ๊ธฐ ๋•Œ๋ฌธ์— dynamic dispatch ๋กœ ๋™์ž‘ํ•ฉ๋‹ˆ๋‹ค. ๊ทธ๋ž˜์„œ ์ƒ์† ๊ฐ€๋Šฅ..

iOS 2022. 8. 18. 02:02
iOS) Dispatch(4) - Message Dispatch

Message Dispatch Objective-C ๋Š” ํด๋ž˜์Šค์˜ ๋ฉ”์†Œ๋“œ๊ฐ€ ํ”„๋กœํผํ‹ฐ๋ฅผ ํ˜ธ์ถœํ•  ๋•Œ ํ•ด๋‹น ๊ฐ์ฒด์— ๋ฉ”์‹œ์ง€๋ฅผ ๋ณด๋‚ด๋Š” ๋ฐฉ์‹์œผ๋กœ ๊ตฌํ˜„๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ์ด ๊ณผ์ •์ด ๋Ÿฐํƒ€์ž„ ์‹œ์— ์ผ์–ด๋‚ฉ๋‹ˆ๋‹ค. ์ด๊ฒƒ์ด message dispatch ์ž…๋‹ˆ๋‹ค. ์ฆ‰, message dispatch ๋Š” dynamic dispatch ์˜ ์ผ์ข…์ž…๋‹ˆ๋‹ค. message dispatch ๋Š” ์˜ค๋ฒ„๋ผ์ด๋”ฉํ•˜๊ฑฐ๋‚˜ ์ƒˆ๋กœ ์ •์˜ํ•œ ๋ฉ”์†Œ๋“œ๋“ค๋งŒ ํ…Œ์ด๋ธ”์— ์œ ์ง€ํ•ฉ๋‹ˆ๋‹ค.(swift ์˜ dynamic dispatch ๋Š” ๋ชจ๋“  ๋ฉ”์†Œ๋“œ์— ๋Œ€ํ•œ ํฌ์ธํ„ฐ๋ฅผ ํ•ด๋‹น ํด๋ž˜์Šค๊ฐ€ ๊ฐ€์ง.) ๋Œ€์‹ , ๋ถ€๋ชจ ํด๋ž˜์Šค๋กœ์˜ ํฌ์ธํ„ฐ๋ฅผ ๊ฐ€์ง€๊ณ  ์žˆ๊ธฐ ๋•Œ๋ฌธ์— ์ƒ์†๋ฐ›์€ ๋ฉ”์†Œ๋“œ๋“ค์„ ์ฐพ์•„๊ฐˆ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋Œ€์‹  Swift ๋Š” ์ด๋Ÿฐ ๊ธฐ๋Šฅ์„ ์ž์ฒด์ ์œผ๋กœ ์ œ๊ณตํ•˜์ง€ ์•Š๊ธฐ๋•Œ๋ฌธ์— message dispatch ๋ฅผ ..

iOS 2022. 8. 17. 23:54
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