๐Ÿฅ Swift ๋ฌธ๋ฒ• ์ต์ˆ™ํ•ด์ง€๊ธฐ

Burkeyยท2024๋…„ 1์›” 13์ผ
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์ฐจ๊ทผ์ฐจ๊ทผ Swift

๋ชฉ๋ก ๋ณด๊ธฐ
12/15

์˜ค๋Š˜์€ ์•„๋ž˜์˜ ๋ฌธ์ œ๋ฅผ for๋ฅผ ํ†ตํ•˜์—ฌ ํ•ด๊ฒฐํ•˜์˜€์Šต๋‹ˆ๋‹ค.

ํ™€์ง์— ๋”ฐ๋ผ ๋‹ค๋ฅธ ๊ฐ’ ๋ฐ˜ํ™˜ํ•˜๊ธฐ

ํ•˜์ง€๋งŒ ์ดํ›„์˜ ๋‹ค๋ฅธ ์‚ฌ๋žŒ๋“ค์˜ ๋ฌธ์ œ ํ’€์ด๋ฅผ ๋ณด๊ณ 
stride()๋ฌธ๋ฒ•์„ ์•Œ๊ฒŒ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
์ด ํ•จ์ˆ˜๋Š” python์˜ range()์™€ ๋™์ผํ•˜๊ฒŒ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.

for i in stride(from:1, to:3, by: 1) {
	print(i)
    /* 
    0 ์—์„œ ๋ถ€ํ„ฐ 5๊นŒ์ง€ 1์”ฉ ์ฆ๊ฐ€
    	1
    	2
    */
}
for i in stride(from: 3, to: 0, by: -1) {
	print(i)
    /* 
    3 ์—์„œ ๋ถ€ํ„ฐ 1๊นŒ์ง€ 1์”ฉ ๊ฐ์†Œ
    	3
        2
        1
    */
}
for i in stride(from: 0, to: 9, by: 3) {
	print(i)
    /* 
    0์—์„œ 9๊นŒ์ง€ 3์”ฉ ์ฆ๊ฐ€
    	0
        3
        6
    */
}

from์˜ ๊ฐ’์€ ์‹œ์ž‘ ๊ฐ’, to์˜ ๊ฐ’์€ ๋งˆ์ง€๋ง‰ ๊ฐ’์„ ์„ค์ •ํ•˜๋Š” ๋ถ€๋ถ„์ž…๋‹ˆ๋‹ค.

by๋Š” ์ฆ๊ฐ€ ๊ฐ’์„ ์˜๋ฏธํ•ฉ๋‹ˆ๋‹ค.
by๊ฐ€ 3์ด๋ฉด, from์—์„œ ๋ถ€ํ„ฐto๋ฏธ๋งŒ๊นŒ์ง€์˜ 3์”ฉ ์ฆ๊ฐ€ํ•˜๋Š” ๋ฒ”์œ„๋ฅผ ๋‚˜ํƒ€๋ƒ…๋‹ˆ๋‹ค.

์Œ์ˆ˜ ๊ฐ’์ด ๋“ค์–ด๊ฐ€๋ฉด ๊ฐ์†Œํ•˜๋Š” ๋ฒ”์œ„๋กœ ์„ค์ •๋ฉ๋‹ˆ๋‹ค.
์ด ๋•Œ๋Š” from์˜ ๊ฐ’์ด to๋ณด๋‹ค ์ปค์•ผ ํ•ฉ๋‹ˆ๋‹ค.

Apple๋ฌธ์„œ์—์„œ stride() ํ™•์ธํ•˜๊ธฐ

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