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Show the pair returned by duplicate (#314)

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This makes it easier to talk about the code as you make changes to the
`duplicate` function.
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Martin Geisler 2023-01-31 21:08:09 +01:00 committed by GitHub
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commit c6a54ce9a9
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src/generics/trait-bounds.md
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@ -13,12 +13,13 @@ fn duplicate<T: Clone>(a: T) -> (T, T) {
fn main() { fn main() {
let foo = String::from("foo"); let foo = String::from("foo");
let pair = duplicate(foo); let pair = duplicate(foo);
println!("{pair:?}");
} }
``` ```
<details> <details>
Consider showing a `where` clause syntax. Students can encounter it too when reading code. Show a `where` clause, students will encounter it when reading code.
```rust,ignore ```rust,ignore
fn duplicate<T>(a: T) -> (T, T) fn duplicate<T>(a: T) -> (T, T)