[Flutter] List.generate ์‚ฌ์šฉํ•ด์„œ ์ˆซ์ž ์ถœ๋ ฅํ•˜๊ธฐ

2023. 4. 12. 22:11ยท Flutter/์ผ๋ฐ˜

final List<int> numbers = List.generate(
100, // ์ด ๊ธธ์ด
(index) => index, // ์ˆซ์ž์˜ ์ˆœ์„œ
);

 

2๊ฐœ์˜ ์ธ์ž๊ฐ’์„ ๋ฐ›๋Š”๋ฐ

1. length

2. (index)

1๋ฒˆ์—๋Š” ์ด ๊ธธ์ด์˜ int์˜ ๊ฐ’์„ ๋„ฃ์–ด์ฃผ๋ฉด ๋˜๊ณ 

2๋ฒˆ์—๋Š” ์ˆซ์ž๊ฐ€ ์–ด๋–ป๊ฒŒ ์ฆ๊ฐ€๋ ์ง€์˜ ๊ฐ’์„ ์ ์–ด์ฃผ๋ฉด ๋œ๋‹ค.

 

๋งŒ์•ฝ ์œ„ ์ฝ”๋“œ๋ฅผ ๊ทธ๋Œ€๋กœ ์‹คํ–‰ํ• ์‹œ 1,2,3 .. 99 ๊นŒ์ง€ ์‹คํ–‰์ด ๋  ๊ฒƒ์ด๊ณ 

(index) => index * 2 ๋ฅผ ํ• ๊ฒฝ์šฐ

2์˜ ๋ฐฐ์ˆ˜๋กœ ์‹คํ–‰์ด ๋œ๋‹ค.

์ €์ž‘์žํ‘œ์‹œ ๋น„์˜๋ฆฌ ๋ณ€๊ฒฝ๊ธˆ์ง€ (์ƒˆ์ฐฝ์—ด๋ฆผ)
'Flutter/์ผ๋ฐ˜' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
  • ํ”Œ๋Ÿฌํ„ฐ(Flutter) ํšŒ์›๊ฐ€์ž… ์•ฝ๊ด€ ๋™์˜ ํŽ˜์ด์ง€ ๋งŒ๋“ค์–ด ๋ณด๊ธฐ
  • [Flutter] TextField์—์„œ keyboardType์œผ๋กœ ์ž…๋ ฅ์ œํ•œ์‹œ ๋ฐœ์ƒํ•˜๋Š” ๋ฌธ์ œ์ 
  • [Flutter] MVC ํŒจํ„ด ์ด๋ž€ ๋ฌด์—‡์ธ๊ฐ€?
  • [Flutter] GetX์™€ Provider์˜ ์ฐจ์ด
Hac. Dog ๐ŸŒญ
Hac. Dog ๐ŸŒญ
Hello World
Hac. Dog ๐ŸŒญ
Hac. Dog : Blog
Hac. Dog ๐ŸŒญ
์ „์ฒด
์˜ค๋Š˜
์–ด์ œ
  • ๋ถ„๋ฅ˜ ์ „์ฒด๋ณด๊ธฐ (21)
    • Flutter (18)
      • ์ผ๋ฐ˜ (11)
      • pakages (7)
    • Google PlayStore (1)
    • Python (1)

๊ณต์ง€์‚ฌํ•ญ

hELLO ยท Designed By ์ •์ƒ์šฐ
๊ธ€์“ฐ๊ธฐ / ๊ด€๋ฆฌ์ž
Hac. Dog ๐ŸŒญ
[Flutter] List.generate ์‚ฌ์šฉํ•ด์„œ ์ˆซ์ž ์ถœ๋ ฅํ•˜๊ธฐ
์ƒ๋‹จ์œผ๋กœ

ํ‹ฐ์Šคํ† ๋ฆฌํˆด๋ฐ”

๋‹จ์ถ•ํ‚ค

๋‚ด ๋ธ”๋กœ๊ทธ

๋‚ด ๋ธ”๋กœ๊ทธ - ๊ด€๋ฆฌ์ž ํ™ˆ ์ „ํ™˜
Q
Q
์ƒˆ ๊ธ€ ์“ฐ๊ธฐ
W
W

๋ธ”๋กœ๊ทธ ๊ฒŒ์‹œ๊ธ€

๊ธ€ ์ˆ˜์ • (๊ถŒํ•œ ์žˆ๋Š” ๊ฒฝ์šฐ)
E
E
๋Œ“๊ธ€ ์˜์—ญ์œผ๋กœ ์ด๋™
C
C

๋ชจ๋“  ์˜์—ญ

์ด ํŽ˜์ด์ง€์˜ URL ๋ณต์‚ฌ
S
S
๋งจ ์œ„๋กœ ์ด๋™
T
T
ํ‹ฐ์Šคํ† ๋ฆฌ ํ™ˆ ์ด๋™
H
H
๋‹จ์ถ•ํ‚ค ์•ˆ๋‚ด
Shift + /
โ‡ง + /

* ๋‹จ์ถ•ํ‚ค๋Š” ํ•œ๊ธ€/์˜๋ฌธ ๋Œ€์†Œ๋ฌธ์ž๋กœ ์ด์šฉ ๊ฐ€๋Šฅํ•˜๋ฉฐ, ํ‹ฐ์Šคํ† ๋ฆฌ ๊ธฐ๋ณธ ๋„๋ฉ”์ธ์—์„œ๋งŒ ๋™์ž‘ํ•ฉ๋‹ˆ๋‹ค.