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「Rust筆記」修訂間的差異
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Tankianting（討論 | 貢獻） |
Tankianting（討論 | 貢獻） （→其他） |
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# 得到 UTF-8 字串長度的方法：[https://docs.rs/unicode-segmentation/1.6.0/unicode_segmentation/index.html UnicodeSegmentation::graphemes]（參見：[https://stackoverflow.com/questions/46290655/get-the-string-length-in-characters-in-rust Stack Overflow]） | # 得到 UTF-8 字串長度的方法：[https://docs.rs/unicode-segmentation/1.6.0/unicode_segmentation/index.html UnicodeSegmentation::graphemes]（參見：[https://stackoverflow.com/questions/46290655/get-the-string-length-in-characters-in-rust Stack Overflow]） | ||
# [https://stackoverflow.com/questions/45519176/how-do-i-use-or-import-a-local-rust-file 匯入外部函式庫] | # [https://stackoverflow.com/questions/45519176/how-do-i-use-or-import-a-local-rust-file 匯入外部函式庫] | ||
===印出當前目錄(current directory)=== | |||
<pre> | |||
use env; | |||
... | |||
println!("{:?}", env::current_dir()); | |||
</pre> | |||
執行結果： | |||
<code>Ok("/home/yoxem/桌面/TMP/240306 臺語實驗/pakkau/pakkau/src")</code> | |||
==變數== | ==變數== | ||