/playground.rs
Created Aug 10, 2018
| use std::io::Write; | |
| struct Foo<W: Write> { | |
| out: W, | |
| } | |
| impl<W: Write> Foo<W> { | |
| fn exchange_out<W2: Write>(self, new: W2) -> (Foo<W2>, W) { | |
| let Foo { out } = self; | |
| (Foo { out: new }, out ) | |
| } | |
| } | |
| fn main() {} |
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