struct

14-structure/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "structure"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

14-structure/src/main.rs

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+//this is how we implement struct
+struct Person
+    {
+        id: u8,
+        tel: u8,
+        name: String,
+        alive: bool,
+    }
+
+//they're tuple struct
+//they might seem like same but different
+struct RGB(u8,u8,u8);
+struct Coordinates(u8,u8,u8);
+
+//this is unit-like struct
+//i don't know what to do now, but seems like it's about "trait"
+struct UnitLike;
+
+fn add_person(id:u8, tel:u8, name:String, alive:bool) ->Person
+    {
+        //if struct variables and funciton variables has same name
+        //no need to specify again
+        Person { id, tel, name, alive }
+    }
+fn main() 
+    {
+        println!("Hello, world!");
+
+        let mut person1 = Person 
+            {
+                id : 101,
+                tel : 111,
+                name : String::from("Ahmet"),
+                alive : false,
+            };
+        
+        person1.name = String::from(person1.name+" Kaan");
+        println!("{}\n{}\n{}\n{}", person1.id, person1.tel, person1.name, person1.alive);
+
+        let person2 = Person
+            {
+                tel : 112,
+                ..person1
+            };
+
+        //person.name is going to be problem. because it's moved already
+        //println!("{}\n{}\n{}\n{}", person1.id, person1.tel, person1.name, person1.alive);
+        println!("{}\n{}\n{}\n{}", person2.id, person2.tel, person2.name, person2.alive);
+        
+        //we calls our function to assign values
+        let person3 = add_person(113, 114, String::from("Duck"), true);
+
+        println!("{}\n{}\n{}\n{}", person3.id, person3.tel, person3.name, person3.alive);
+        
+        let color1 = RGB(1,2,3);
+        let location1 = Coordinates(4,5,6);
+
+        println!("{}{}{}", color1.0, color1.1, color1.2);
+        println!("{}{}{}", location1.0, location1.1, location1.2);
+        
+        //I don't know how to use
+        //that's why i used underscore to ignore compiler complaints
+        let _new_unit = UnitLike;
+
+    }