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-rw-r--r--solutions/06_move_semantics/move_semantics5.rs23
1 files changed, 23 insertions, 0 deletions
diff --git a/solutions/06_move_semantics/move_semantics5.rs b/solutions/06_move_semantics/move_semantics5.rs
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+#![allow(clippy::ptr_arg)]
+
+fn main() {
+ let data = "Rust is great!".to_string();
+
+ get_char(&data);
+
+ string_uppercase(data);
+}
+
+// Borrows instead of taking ownership.
+// It is recommended to use `&str` instead of `&String` here. But this is
+// enough for now because we didn't handle strings yet.
+fn get_char(data: &String) -> char {
+ data.chars().last().unwrap()
+}
+
+// Takes ownership instead of borrowing.
+fn string_uppercase(mut data: String) {
+ data = data.to_uppercase();
+
+ println!("{data}");
+}