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-rw-r--r--rustlings/exercises/15_traits/traits5.rs39
1 files changed, 39 insertions, 0 deletions
diff --git a/rustlings/exercises/15_traits/traits5.rs b/rustlings/exercises/15_traits/traits5.rs
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+++ b/rustlings/exercises/15_traits/traits5.rs
@@ -0,0 +1,39 @@
+trait SomeTrait {
+ fn some_function(&self) -> bool {
+ true
+ }
+}
+
+trait OtherTrait {
+ fn other_function(&self) -> bool {
+ true
+ }
+}
+
+struct SomeStruct;
+impl SomeTrait for SomeStruct {}
+impl OtherTrait for SomeStruct {}
+
+struct OtherStruct;
+impl SomeTrait for OtherStruct {}
+impl OtherTrait for OtherStruct {}
+
+// TODO: Fix the compiler error by only changing the signature of this function.
+fn some_func(item: ???) -> bool {
+ item.some_function() && item.other_function()
+}
+
+fn main() {
+ // You can optionally experiment here.
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn test_some_func() {
+ assert!(some_func(SomeStruct));
+ assert!(some_func(OtherStruct));
+ }
+}