Merge pull request #193 from chengr4/zh_tw

first_word function also works for whole String reference
rust-tw · Dec 28, 2023 · ab76706 · ab76706
2 parents ed7fb63 + 190e615
commit ab76706
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/listings/ch04-understanding-ownership/listing-04-09/src/main.rs b/listings/ch04-understanding-ownership/listing-04-09/src/main.rs
@@ -19,6 +19,8 @@ fn main() {
     // first_word 適用於 `String` 的切片，無論是部分或整體
     let word = first_word(&my_string[0..6]);
     let word = first_word(&my_string[..]);
+    // first_word 也適用於 `String` 的參考，這等同於對整個 `String` 切片的操作。
+    let word = first_word(&my_string);
 
     let my_string_literal = "hello world";