Dart

[ Dart ] ์—๋Ÿฌ, ์˜ˆ์™ธ ์ƒํ™ฉ ์ œ์–ดํ•˜๊ธฐ

Design-loving front-end engineer 2022. 2. 4. 08:46

assert

๐Ÿ’ฌ  ๊ฐœ๋ฐœ ๋ชจ๋“œ์˜ debug ์ค‘์ผ ๋•Œ์—๋งŒ ์˜ํ–ฅ์„ ๋ฏธ์น˜๋ฉฐ, ๋ฐฐํฌ ์ฝ”๋“œ์—์„œ๋Š” ํ”„๋กœ๊ทธ๋žจ์— ์˜ํ–ฅ์„ ์ฃผ์ง€ ์•Š์Œ

๐Ÿ’ฌ  ์กฐ๊ฑด์ด ๊ฑฐ์ง“์ธ ๊ฒฝ์šฐ ์‹คํ–‰์ด ์ค‘๋‹จ๋œ๋‹ค.

assert(condition, optionalMessage);

โ—ป๏ธ  condition : boolean์ด ๋‚˜์˜ฌ ์ˆ˜ ์žˆ๋Š” ์กฐ๊ฑด์„ ๋„ฃ์œผ๋ฉฐ, false์ด๋ฉด ํ”„๋กœ๊ทธ๋žจ์ด ์ค‘๋‹จ๋œ๋‹ค.

โ—ป๏ธ  optionalMessage : ํ”„๋กœ๊ทธ๋žจ ์ค‘๋‹จ ์‹œ ๋‚˜์˜ฌ ๋ฉ”์‹œ์ง€๋ฅผ ์„ค์ •ํ•  ์ˆ˜ ์žˆ๋‹ค.

assert(urlString.startsWith('https'),
    'URL ($urlString) should start with "https".');

 

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https://m.blog.naver.com/mingdyuo/221803704762

 

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