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23 lines
522 B
Rust
23 lines
522 B
Rust
#![allow(clippy::ptr_arg)]
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// Borrows instead of taking ownership.
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// It is recommended to use `&str` instead of `&String` here. But this is
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// enough for now because we didn't handle strings yet.
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fn get_char(data: &String) -> char {
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data.chars().last().unwrap()
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}
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// Takes ownership instead of borrowing.
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fn string_uppercase(mut data: String) {
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data = data.to_uppercase();
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println!("{data}");
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}
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fn main() {
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let data = "Rust is great!".to_string();
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get_char(&data);
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string_uppercase(data);
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}
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