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-rw-r--r--rustlings/solutions/14_generics/generics2.rs28
1 files changed, 26 insertions, 2 deletions
diff --git a/rustlings/solutions/14_generics/generics2.rs b/rustlings/solutions/14_generics/generics2.rs
index dcf2377..14f3f7a 100644
--- a/rustlings/solutions/14_generics/generics2.rs
+++ b/rustlings/solutions/14_generics/generics2.rs
@@ -1,4 +1,28 @@
+struct Wrapper<T> {
+ value: T,
+}
+
+impl<T> Wrapper<T> {
+ fn new(value: T) -> Self {
+ Wrapper { value }
+ }
+}
+
fn main() {
- // DON'T EDIT THIS SOLUTION FILE!
- // It will be automatically filled after you finish the exercise.
+ // You can optionally experiment here.
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn store_u32_in_wrapper() {
+ assert_eq!(Wrapper::new(42).value, 42);
+ }
+
+ #[test]
+ fn store_str_in_wrapper() {
+ assert_eq!(Wrapper::new("Foo").value, "Foo");
+ }
}