rustlings: move to rust/

1 files changed, 18 insertions, 0 deletions

diff --git a/rust/rustlings/exercises/14_generics/generics1.rs b/rust/rustlings/exercises/14_generics/generics1.rs
new file mode 100644
index 0000000..7e5571f
--- /dev/null
+++ b/rust/rustlings/exercises/14_generics/generics1.rs
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+// `Vec<T>` is generic over the type `T`. In most cases, the compiler is able to
+// infer `T`, for example after pushing a value with a concrete type to the vector.
+// But in this exercise, the compiler needs some help through a type annotation.
+
+fn main() {
+    // TODO: Fix the compiler error by annotating the type of the vector
+    // `Vec<T>`. Choose `T` as some integer type that can be created from
+    // `u8` and `i8`.
+    let mut numbers: Vec<i32> = Vec::new();
+
+    // Don't change the lines below.
+    let n1: u8 = 42;
+    numbers.push(n1.into());
+    let n2: i8 = -1;
+    numbers.push(n2.into());
+
+    println!("{numbers:?}");
+}