mirror of https://github.com/rust-lang/rust
23 lines
518 B
Rust
23 lines
518 B
Rust
trait B {
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fn foo(mut a: &String) {
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a.push_str("bar"); //~ ERROR cannot borrow `*a` as mutable, as it is behind a `&` reference
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}
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}
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pub fn foo<'a>(mut a: &'a String) {
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a.push_str("foo"); //~ ERROR cannot borrow `*a` as mutable, as it is behind a `&` reference
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}
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struct A {}
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impl A {
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pub fn foo(mut a: &String) {
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a.push_str("foo"); //~ ERROR cannot borrow `*a` as mutable, as it is behind a `&` reference
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}
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}
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fn main() {
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foo(&"a".to_string());
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A::foo(&"a".to_string());
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}
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