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Flutter const, final?

์ƒ์„ฑ์ผ
2021/03/20 18:20
ํƒœ๊ทธ
โ€ข
final
โ—ฆ
๊ฐ’์ด ์—†๋Š” ์ƒํƒœ๋กœ ์ •์˜ ๊ฐ€๋Šฅ (์ฆ‰, ๊ฐ’์ด ๋ฐ”๋€Œ์ง„ ์•Š์ง€๋งŒ ์ถ”ํ›„์— ์ดˆ๊ธฐํ™” ๊ฐ€๋Šฅ)
โ—ฆ
run-time constant
โ—ฆ
dynamic concept
โ€ข
const
โ—ฆ
๊ฐ’์ด ์žˆ๋Š” ์ƒํƒœ๋กœ๋งŒ ์ •์˜ ๊ฐ€๋Šฅ (์ฆ‰, ๊ฐ’์ด ๋ฐ”๋€Œ์ง„ ์•Š์ง€๋งŒ ์ถ”ํ›„์— ๊ฐ’ ํ• ๋‹น์ด ๋ถˆ๊ฐ€๋Šฅ)
โ—ฆ
compile-time constant
โ—ฆ
static concept
์•„๋ž˜๋Š” const์˜ abstract๋ฅผ ๋งํ•˜๋Š” ๊ฒƒ ๋ฟ dart์™€๋Š” ๋ฌด๊ด€
โ€ข
๊ฐ’์ด const?
โ—ฆ
๋ฉ”๋ชจ๋ฆฌ์— ์žˆ๋Š” ๊ฐ’ ๋ณ€๊ฒฝ ๋ถˆ๊ฐ€ / ๋ณ€์ˆ˜์— ํ• ๋‹น๋œ ํฌ์ธํ„ฐ ๋ณ€๊ฒฝ ๊ฐ€๋Šฅ
โ€ข
๋ณ€์ˆ˜๊ฐ€ const?
โ—ฆ
ํฌ์ธํ„ฐ๊ฐ€ ์œ ์ง€๋œ๋‹ค๋Š” ์กฐ๊ฑด ํ•˜์— ๋ฉ”๋ชจ๋ฆฌ ๊ฐ’ ๋ณ€๊ฒฝ ๊ฐ€๋Šฅ / ๋ณ€์ˆ˜์— ํ• ๋‹น๋œ ํฌ์ธํ„ฐ ๋ณ€๊ฒฝ ๋ถˆ๊ฐ€๋Šฅ