first commit

options-results/Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "options-results"
+version = "0.1.0"

options-results/Cargo.toml

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+[package]
+name = "options-results"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

options-results/src/main.rs

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+fn main() {
+    //Option and Result are enums used to handle absence of a value and error handling,
+    //respectively, withoug using null or exceptions
+match get_username(1) {
+    Some(name)=>println!("{}", name),
+    None => println!("user not found")
+    
+}
+
+match safe_divide(23, 2){
+    Ok(result)=>println!("{}", result),
+    Err(e)=> println!("{}", e)
+}
+
+
+match safe_divide(23, 0){
+    Ok(result)=>println!("{}", result),
+    Err(e)=> println!("{}", e)
+}
+}
+
+
+
+fn get_username(id:u32)->Option<&'static str>{
+    if id ==1{
+        Some("Safal")
+    }else{
+        None
+    }
+}
+
+
+fn safe_divide(a:i32, b:i32)->Result<i32, String>{
+    if b == 0 {
+        Err("Can't divide by zero".to_string())
+    }else {
+        Ok(a/b)
+    }
+        
+}