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21 lines
408 B
Rust
21 lines
408 B
Rust
// You can't change anything except adding or removing references.
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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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// Should not take ownership
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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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// Should take ownership
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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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