adding println (#197)

* adding println
* cleanup

---------

Co-authored-by: country cousin <[email protected]>
Co-authored-by: Shramee Srivastav <[email protected]>

corelib/Scarb.lock

@@ -3,4 +3,4 @@ version = 1
 
 [[package]]
 name = "core"
-version = "2.4.1"
+version = "2.5.3"

exercises/dict/dict1.cairo

@@ -10,10 +10,9 @@
 
 // I AM NOT DONE
 
-
 fn create_dictionary() -> Felt252Dict<u32> {
     let mut dict: Felt252Dict<u32> = Default::default();
-    //TODO
+//TODO
 
 }
 

exercises/dict/dict2.cairo

@@ -7,7 +7,6 @@
 // I AM NOT DONE
 
 
-
 fn multiply_element_by_10(ref dict: Felt252Dict<u32>, n: usize) {
     //TODO : make a function that multiplies the elements stored at the indexes 0 to n of a dictionary by 10
 

exercises/dict/dict3.cairo

@@ -7,14 +7,12 @@
 // Make me compile and pass the test!
 // Execute `starklings hint dict3` or use the `hint` watch subcommand for a hint.
 
-
 // I AM NOT DONE
 
-
 #[derive(Destruct)]
 struct Team {
-  level: Felt252Dict<usize>,
-  players_count: usize 
+    level: Felt252Dict<usize>,
+    players_count: usize
 }
 
 #[generate_trait]
@@ -41,11 +39,9 @@ impl TeamImpl of TeamTrait {
 }
 
 
-
 #[test]
 #[available_gas(200000)]
 fn test_add_player() {
-
     let mut team = TeamTrait::new();
     team.add_player('bob', 10);
     team.add_player('alice', 20);
@@ -58,9 +54,8 @@ fn test_add_player() {
 #[test]
 #[available_gas(200000)]
 fn test_level_up() {
-
     let mut team = TeamTrait::new();
-    team.add_player('bobby',10);
+    team.add_player('bobby', 10);
     team.level_up('bobby');
 
     assert(team.level.get('bobby') == 11, 'Wrong level');

exercises/enums/enums1.cairo

@@ -3,7 +3,6 @@
 
 // I AM NOT DONE
 
-use debug::print;
 use debug::PrintTrait;
 enum Message { // TODO: define a few types of messages as used below
 }
@@ -18,10 +17,10 @@ fn main() {
 impl MessagePrintImpl of PrintTrait<Message> {
     fn print(self: Message) {
         match self {
-            Message::Quit => ('Quit').print(),
-            Message::Echo => ('Echo').print(),
-            Message::Move => ('Move').print(),
-            Message::ChangeColor => ('ChangeColor').print()
+            Message::Quit => println!("Quit"),
+            Message::Echo => println!("Echo"),
+            Message::Move => println!("Move"),
+            Message::ChangeColor => println!("ChangeColor")
         }
     }
 }

exercises/enums/enums2.cairo

@@ -54,20 +54,20 @@ fn print_messages_recursive(messages: Array<Message>, index: u32) {
 
 impl MessagePrintImpl of PrintTrait<Message> {
     fn print(self: Message) {
-        ('___MESSAGE BEGINS___').print();
+        println!("___MESSAGE BEGINS___");
         match self {
-            Message::Quit => ('Quit').print(),
-            Message::Echo(msg) => msg.print(),
+            Message::Quit => println!("Quit"),
+            Message::Echo(msg) => println!("{}", msg),
             Message::Move((a, b)) => {
-                a.print();
-                b.print();
+                println!("{}", a);
+                println!("{}",b);
             },
             Message::ChangeColor((red, green, blue)) => {
-                red.print();
-                green.print();
-                blue.print();
+                println!("{}",red);
+                println!("{}",green);
+                println!("{}",blue);
             }
         }
-        ('___MESSAGE ENDS___').print();
+        println!("___MESSAGE ENDS___");
     }
 }

exercises/enums/enums3.cairo

@@ -41,7 +41,7 @@ impl StateImpl of StateTrait {
     }
 
     fn echo(ref self: State, s: felt252) {
-        s.print();
+        println!("{}", s);
     }
 
     fn move_position(ref self: State, p: Point) {

exercises/functions/functions2.cairo

@@ -2,12 +2,11 @@
 // Execute `starklings hint functions2` or use the `hint` watch subcommand for a hint.
 
 // I AM NOT DONE
-use debug::PrintTrait;
 
 fn main() {
     call_me(3);
 }
 
 fn call_me(num:) {
-    num.print();
+    println!("num is {}", num);
 }

exercises/functions/functions3.cairo

@@ -2,12 +2,11 @@
 // Execute `starklings hint functions3` or use the `hint` watch subcommand for a hint.
 
 // I AM NOT DONE
-use debug::PrintTrait;
 
 fn main() {
     call_me();
 }
 
 fn call_me(num: u64) {
-    num.print();
+    println!("num is {}", num);
 }

exercises/functions/functions4.cairo

@@ -8,11 +8,10 @@
 // to future exercises!)
 
 // I AM NOT DONE
-use debug::PrintTrait;
 
 fn main() {
     let original_price = 51;
-    sale_price(original_price).print();
+    println!("sale_price is {}", sale_price(original_price));
 }
 
 fn sale_price(price: u32) -> {

exercises/modules/modules2.cairo

@@ -2,7 +2,6 @@
 // These modules have some issues, can you fix?
 // Run `starklings hint modules2` or `hint` watch command for a hint.
 
-use debug::PrintTrait;
 const YEAR: u16 = 2050;
 
 mod order {

exercises/operations/operations1.cairo

@@ -6,8 +6,6 @@
 // TODO
 // Return the solution of x^3 + y - 2
 
-use debug::PrintTrait;
-
 fn poly(x: usize, y: usize) -> usize {
     // FILL ME
     res // Do not change

exercises/options/options2.cairo

@@ -4,7 +4,6 @@
 // I AM NOT DONE
 
 use option::OptionTrait;
-use debug::PrintTrait;
 
 #[test]
 fn test_options() {
@@ -19,5 +18,5 @@ fn simple_option(optional_target: Option<felt252>) {
     // TODO: use the `is_some` and `is_none` methods to check if `optional_target` contains a value.
     // Place the assertion and the print statement below in the correct blocks.
     assert(optional_target.unwrap() == 'starklings', 'err1');
-    ('option is empty !').print();
+    println!(" option is empty ! ");
 }

exercises/options/options3.cairo

@@ -4,7 +4,6 @@
 // I AM NOT DONE
 
 use option::OptionTrait;
-use debug::PrintTrait;
 use array::ArrayTrait;
 
 #[derive(Drop)]
@@ -41,7 +40,7 @@ fn display_grades(student: @Student, index: usize) {
     // TODO: Modify the following lines so that if there is a grade for the course, it is printed.
     //       Otherwise, print "No grade".
     // 
-    course.unwrap().print();
+    println!("grade is {}", course.unwrap());
     display_grades(student, index + 1);
 }
 

exercises/primitive_types/primitive_types1.cairo

@@ -4,18 +4,16 @@
 
 // I AM NOT DONE
 
-use debug::PrintTrait;
-
 fn main() {
     // Booleans (`bool`)
 
     let is_morning = true;
     if is_morning {
-        ('Good morning!').print();
+        println!("Good morning!");
     }
 
     let // Finish the rest of this line like the example! Or make it be false!
     if is_evening {
-        ('Good evening!').print();
+        println!("Good evening!");
     }
 }

exercises/primitive_types/primitive_types2.cairo

@@ -4,8 +4,6 @@
 
 // I AM NOT DONE
 
-use debug::PrintTrait;
-
 fn main() {
     // A short string is a string whose length is at most 31 characters, and therefore can fit into a single field element.
     // Short strings are actually felts, they are not a real string.
@@ -15,27 +13,27 @@ fn main() {
     if is_alphabetic(
         ref my_first_initial
     ) {
-        ('Alphabetical!').print();
+        println!(" Alphabetical !");
     } else if is_numeric(
         ref my_first_initial
     ) {
-        ('Numerical!').print();
+        println!(" Numerical !");
     } else {
-        ('Neither alphabetic nor numeric!').print();
+        println!(" Neither alphabetic nor numeric!");
     }
 
-    let // Finish this line like the example! What's your favorite short string?
+    let  // Finish this line like the example! What's your favorite short string?
     // Try a letter, try a number, try a special character, try a short string!
     if is_alphabetic(
         ref your_character
     ) {
-        ('Alphabetical!').print();
+        println!(" Alphabetical !");
     } else if is_numeric(
         ref your_character
     ) {
-        ('Numerical!').print();
+        println!(" Numerical!");
     } else {
-        ('Neither alphabetic nor numeric!').print();
+        println!(" Neither alphabetic nor numeric!");
     }
 }
 

exercises/primitive_types/primitive_types3.cairo

@@ -4,11 +4,9 @@
 
 // I AM NOT DONE
 
-use debug::PrintTrait;
-
 fn main() {
     let cat = ('Furry McFurson', 3);
     let // your pattern here = cat;
-    name.print();
-    age.print();
+    println!("name is {}", name);
+    println!("age is {}", age);
 }

exercises/variables/variables1.cairo

@@ -7,6 +7,6 @@
 use debug::PrintTrait;
 
 fn main() {
-    x = 5;
-    x.print();
+    x = 5 ;
+    println!(" x is {}", x)
 }

exercises/variables/variables2.cairo

@@ -7,8 +7,8 @@ use debug::PrintTrait;
 fn main() {
     let x;
     if x == 10 {
-        ('x is ten!').print();
+       println!("x is ten! ");
     } else {
-        ('x is not ten!').print();
+        println!("x is not ten! ");
     }
 }

exercises/variables/variables3.cairo

@@ -6,5 +6,5 @@ use debug::PrintTrait;
 
 fn main() {
     let x: felt252;
-    x.print();
+    println!("x is {}", x);
 }

exercises/variables/variables4.cairo

@@ -6,7 +6,7 @@ use debug::PrintTrait;
 
 fn main() {
     let x = 3;
-    x.print();
+    println!("x is {}", x);
     x = 5; // don't change this line
-    x.print();
+    println!("x is now {}", x);
 }

exercises/variables/variables5.cairo

@@ -6,7 +6,7 @@ use debug::PrintTrait;
 
 fn main() {
     let number = 1_u8; // don't change this line
-    number.print();
+    println!("number is {}", number);
     number = 3; // don't rename this variable
-    number.print();
+    println!("number is {}", number);
 }

exercises/variables/variables6.cairo

@@ -7,6 +7,6 @@ use debug::PrintTrait;
 const NUMBER = 3;
 const SMALL_NUMBER = 3_u8;
 fn main() {
-    NUMBER.print();
-    SMALL_NUMBER.print();
+    println!("NUMBER is {}", NUMBER);
+    println!("SMALL_NUMBER is {}", SMALL_NUMBER);
 }