From faa108dc5c84f5c4aecee35a2f490eeedc85cb0d Mon Sep 17 00:00:00 2001
From: garhve <git@garhve.com>
Date: Tue, 3 Jan 2023 19:05:48 +0800
Subject: add files

---
 .../generic-type/Cargo.toml                        |  8 ++++
 .../generic-type/src/main.rs                       | 45 ++++++++++++++++++++++
 2 files changed, 53 insertions(+)
 create mode 100644 rust/theBook/chapter-10-generic-types-traits-lifetimes/generic-type/Cargo.toml
 create mode 100644 rust/theBook/chapter-10-generic-types-traits-lifetimes/generic-type/src/main.rs

(limited to 'rust/theBook/chapter-10-generic-types-traits-lifetimes/generic-type')

diff --git a/rust/theBook/chapter-10-generic-types-traits-lifetimes/generic-type/Cargo.toml b/rust/theBook/chapter-10-generic-types-traits-lifetimes/generic-type/Cargo.toml
new file mode 100644
index 0000000..8f1e556
--- /dev/null
+++ b/rust/theBook/chapter-10-generic-types-traits-lifetimes/generic-type/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "generic-type"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/rust/theBook/chapter-10-generic-types-traits-lifetimes/generic-type/src/main.rs b/rust/theBook/chapter-10-generic-types-traits-lifetimes/generic-type/src/main.rs
new file mode 100644
index 0000000..8a3ef34
--- /dev/null
+++ b/rust/theBook/chapter-10-generic-types-traits-lifetimes/generic-type/src/main.rs
@@ -0,0 +1,45 @@
+#[derive(Debug)]
+struct Point<T, U> {
+    x: T,
+    y: U,
+}
+
+// T and U are declared for impl for it goes with struct
+impl<T, U> Point<T,U> {
+    fn new(value: T, v: U) -> Self {
+        Point {x: value, y: v}
+    }
+
+    // X1 and Y1 are only relavent to method mixup
+    fn mixup<X1, Y1>(self, other: Point<X1, Y1>) -> Point<T,Y1> {
+        Point {x: self.x, y: other.y}
+    }
+}
+
+fn largest<T: std::cmp::PartialOrd>(list: &[T]) -> &T {
+    let mut largest = &list[0];
+
+    for item in list {
+        if largest < item {
+            largest = item;
+        }
+    }
+    largest
+}
+
+fn main() {
+    let x = [1,3,5,7,9];
+    let y = ['a','b','c','d','e'];
+
+    let result = largest(&x);
+    println!("{result}");
+    
+    let result = largest(&y);
+    println!("{result}");
+
+    let result = Point::new(3.5,7);
+    println!("{},{}",result.x, result.y);
+
+    let result = result.mixup(Point::new("hello",'c'));
+    println!("{},{}",result.x, result.y);
+}
-- 
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