Init.

1 files changed, 68 insertions, 0 deletions

diff --git a/rust-book/generics/src/main.rs b/rust-book/generics/src/main.rs
new file mode 100755
index 0000000..e41d6f5
--- /dev/null
+++ b/rust-book/generics/src/main.rs
@@ -0,0 +1,68 @@
+//struct Point<T, U> {
+//    x: T,
+//    y: U,
+//}
+
+//impl<T, U> Point<T, U> {
+//    fn x(&self) -> &T {
+//        &self.x
+//    }
+//
+//    fn y(&self) -> &T {
+//        &self.y
+//    }
+
+//    fn mixup<V, W>(self, other: Point<V, W>) -> Point<T, W> {
+//        Point {
+//            x: self.x,
+//            y: other.y,
+//        }
+//    }
+//}
+
+fn largest<T: PartialOrd + Copy>(list: &[T]) -> T {
+    let mut largest = list[0];
+
+    for &item in list.iter() {
+
+        if item > largest {
+            largest = item;
+        }
+
+    }
+
+    largest
+}
+
+//enum Option_i32 {
+//    Some(i32),
+//    None,
+//}
+//
+//enum Option_f64 {
+//    Some(f64),
+//    None,
+//}
+
+fn main() {
+    let number_list = vec![34, 50, 25, 100, 65];
+    dbg!(largest(&number_list));
+    let char_list = vec!['h', 'e', 'l', 'l', 'o'];
+    dbg!(largest(&char_list));
+//    let integer = Point { x: 5, y: 10 };
+//    let float = Point { x: 5.0, y: 10.0 };
+
+//    let p = Point { x: 5.0, y: 10.5 };
+//    dbg!(p.x());
+//    dbg!(p.y());
+
+//    let p1 = Point { x: 5, y: 10.4 };
+//    let p2 = Point { x: "Hello", y: 'c' };
+//    let p3 = p1.mixup(p2);
+//
+//    dbg!(p3.x);
+//    dbg!(p3.y);
+
+//    let integer = Option_i32::Some(5);
+//    let float = Option_f64::Some(5.0);
+}