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https://github.com/rust-lang/rust
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22 lines
483 B
Rust
22 lines
483 B
Rust
#[derive(Copy, Clone)]
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struct S;
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impl S {
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fn mutate(&mut self) {
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}
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}
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fn func(arg: S) {
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//~^ HELP consider changing this to be mutable
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//~| SUGGESTION mut
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arg.mutate();
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//~^ ERROR cannot borrow `arg` as mutable, as it is not declared as mutable
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}
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fn main() {
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let local = S;
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//~^ HELP consider changing this to be mutable
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//~| SUGGESTION mut
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local.mutate();
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//~^ ERROR cannot borrow `local` as mutable, as it is not declared as mutable
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}
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