diff options
Diffstat (limited to 'solutions/06_move_semantics/move_semantics5.rs')
| -rw-r--r-- | solutions/06_move_semantics/move_semantics5.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/solutions/06_move_semantics/move_semantics5.rs b/solutions/06_move_semantics/move_semantics5.rs new file mode 100644 index 0000000..1b3ca4e --- /dev/null +++ b/solutions/06_move_semantics/move_semantics5.rs @@ -0,0 +1,21 @@ +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}"); +} |
