if,functions,primitives,test1

exercises/functions/functions1.rs

@@ -5,10 +5,9 @@ fn main() {
     call_me();
 }
 
+fn call_me() {
 
-
+}
-
-
 
 
 

exercises/functions/functions2.rs

@@ -5,7 +5,7 @@ fn main() {
     call_me(3);
 }
 
-fn call_me(num) {
+fn call_me(num: i32) {
     for i in 0..num {
         println!("Ring! Call number {}", i + 1);
     }

exercises/functions/functions3.rs

@@ -2,7 +2,7 @@
 // Make me compile! Scroll down for hints :)
 
 fn main() {
-    call_me();
+    call_me(5);
 }
 
 fn call_me(num: i32) {

exercises/functions/functions4.rs

@@ -9,7 +9,7 @@ fn main() {
     println!("Your sale price is {}", sale_price(original_price));
 }
 
-fn sale_price(price: i32) -> {
+fn sale_price(price: i32) -> i32 {
     if is_even(price) {
         price - 10
     } else {

exercises/functions/functions5.rs

@@ -7,7 +7,7 @@ fn main() {
 }
 
 fn square(num: i32) -> i32 {
-    num * num;
+    num * num
 }
 
 

exercises/if/if1.rs

@@ -7,6 +7,12 @@ pub fn bigger(a: i32, b:i32) -> i32 {
     // - another function call
     // - additional variables
     // Scroll down for hints.
+    if a > b {
+        a
+    }
+    else {
+        b
+    }
 }
 
 // Don't mind this for now :)

exercises/primitive_types/primitive_types1.rs

@@ -10,7 +10,7 @@ fn main() {
         println!("Good morning!");
     }
 
-    let // Finish the rest of this line like the example! Or make it be false!
+    let is_evening = false; // Finish the rest of this line like the example! Or make it be false!
     if is_evening {
         println!("Good evening!");
     }

exercises/primitive_types/primitive_types2.rs

@@ -14,7 +14,8 @@ fn main() {
         println!("Neither alphabetic nor numeric!");
     }
 
-    let // Finish this line like the example! What's your favorite character?
+    let your_character = '1';
+    // Finish this line like the example! What's your favorite character?
     // Try a letter, try a number, try a special character, try a character
     // from a different language than your own, try an emoji!
     if your_character.is_alphabetic() {

exercises/primitive_types/primitive_types3.rs

@@ -3,7 +3,7 @@
 // Scroll down for hints!
 
 fn main() {
-    let a = ???
+    let a = [0..100];
 
     if a.len() >= 100 {
         println!("Wow, that's a big array!");

exercises/primitive_types/primitive_types4.rs

@@ -5,7 +5,7 @@
 fn main() {
     let a = [1, 2, 3, 4, 5];
 
-    let nice_slice = ???
+    let nice_slice = &a[1..4];
 
     if nice_slice == [2, 3, 4] {
         println!("Nice slice!");

exercises/primitive_types/primitive_types5.rs

@@ -4,7 +4,7 @@
 
 fn main() {
     let cat = ("Furry McFurson", 3.5);
-    let /* your pattern here */ = cat;
+    let (name, age) = cat;
 
     println!("{} is {} years old.", name, age);
 }

exercises/primitive_types/primitive_types6.rs

@@ -5,7 +5,7 @@
 
 fn main() {
     let numbers = (1, 2, 3);
-    println!("The second number is {}", ???);
+    println!("The second number is {}", numbers.1);
 }
 
 

exercises/test1.rs

@@ -10,6 +10,14 @@
 // Put your function here!
 // fn ..... {
 
+fn calculateprice(amount: i32) -> i32 {
+    if amount <= 40 {
+        amount*2
+    }
+    else {
+        amount
+    }
+}
 // Don't modify this function!
 #[test]
 fn verify_test() {