summaryrefslogtreecommitdiff
path: root/solutions/14_generics/generics2.rs
diff options
context:
space:
mode:
Diffstat (limited to 'solutions/14_generics/generics2.rs')
-rw-r--r--solutions/14_generics/generics2.rs28
1 files changed, 28 insertions, 0 deletions
diff --git a/solutions/14_generics/generics2.rs b/solutions/14_generics/generics2.rs
new file mode 100644
index 0000000..14f3f7a
--- /dev/null
+++ b/solutions/14_generics/generics2.rs
@@ -0,0 +1,28 @@
+struct Wrapper<T> {
+ value: T,
+}
+
+impl<T> Wrapper<T> {
+ fn new(value: T) -> Self {
+ Wrapper { value }
+ }
+}
+
+fn main() {
+ // 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");
+ }
+}