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Refactor some_func to accept a generic type implementing SomeTrait and OtherTrait

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Rock070 2024-01-03 00:37:32 +08:00
parent 1f926b4358
commit b3fbab1791
1 changed files with 1 additions and 3 deletions
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4
exercises/15_traits/traits5.rs
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@ -7,8 +7,6 @@
// Execute `rustlings hint traits5` or use the `hint` watch subcommand for a // Execute `rustlings hint traits5` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
pub trait SomeTrait { pub trait SomeTrait {
fn some_function(&self) -> bool { fn some_function(&self) -> bool {
true true
@ -30,7 +28,7 @@ impl SomeTrait for OtherStruct {}
impl OtherTrait for OtherStruct {} impl OtherTrait for OtherStruct {}
// YOU MAY ONLY CHANGE THE NEXT LINE // YOU MAY ONLY CHANGE THE NEXT LINE
fn some_func(item: ??) -> bool { fn some_func<A: SomeTrait + OtherTrait>(item: A) -> bool {
item.some_function() && item.other_function() item.some_function() && item.other_function()
} }