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Exercises to explore immutable borrowing, mutable borrowing, and "aliasing xor mutability".
19 lines
401 B
Rust
19 lines
401 B
Rust
// borrowing3.rs
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//
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// A core safety feature of Rust is that it may not have mutable and immutable
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// borrows. Make this compile only by changing the order of the lines.
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// I AM NOT DONE
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fn main() {
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let mut hello = String::from("Hello ");
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let hello_ref = &hello;
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append_world(&mut hello);
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println!("{}", hello_ref);
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}
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fn append_world(s: &mut String) {
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s.push_str("world!");
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}
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