34 lines
568 B
Rust
34 lines
568 B
Rust
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#[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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arg.mutate(); //~ ERROR: cannot borrow immutable argument
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}
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impl S {
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fn method(&self, arg: S) {
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arg.mutate(); //~ ERROR: cannot borrow immutable argument
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}
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}
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trait T {
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fn default(&self, arg: S) {
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arg.mutate(); //~ ERROR: cannot borrow immutable argument
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}
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}
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impl T for S {}
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fn main() {
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let s = S;
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func(s);
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s.method(s);
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s.default(s);
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(|arg: S| { arg.mutate() })(s); //~ ERROR: cannot borrow immutable argument
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}
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