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-rw-r--r--rust/theBook/chapter-10-generic-types-traits-lifetimes/generic-type/Cargo.toml8
-rw-r--r--rust/theBook/chapter-10-generic-types-traits-lifetimes/generic-type/src/main.rs45
2 files changed, 53 insertions, 0 deletions
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);
+}