Created
January 26, 2015 09:03
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Rust: cannot move out of borrowed content
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struct Foo { | |
value: String | |
} | |
impl Foo { | |
fn test(&mut self) -> String { | |
let old = self.value; | |
self.value = "new".to_string(); | |
old | |
} | |
} | |
fn main() { | |
let mut foo = Foo { value: "old".to_string() }; | |
assert_eq!("old", foo.test()); | |
println!("foo = {}", foo.value); | |
} |
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Can be solved with
mem::replace(&mut self.value, "new".to_string())
. see documentation