diff --git a/exercises/functions/functions1.rs b/exercises/functions/functions1.rs
index 3112527..d0867d7 100644
--- a/exercises/functions/functions1.rs
+++ b/exercises/functions/functions1.rs
@@ -1,8 +1,8 @@
// functions1.rs
// Make me compile! Execute `rustlings hint functions1` for hints :)
-// I AM NOT DONE
-
fn main() {
call_me();
}
+
+fn call_me() {}
diff --git a/exercises/functions/functions2.rs b/exercises/functions/functions2.rs
index 108ba38..f46f8a8 100644
--- a/exercises/functions/functions2.rs
+++ b/exercises/functions/functions2.rs
@@ -1,13 +1,11 @@
// functions2.rs
// Make me compile! Execute `rustlings hint functions2` for hints :)
-// I AM NOT DONE
-
fn main() {
call_me(3);
}
-fn call_me(num) {
+fn call_me(num: u32) {
for i in 0..num {
println!("Ring! Call number {}", i + 1);
}
diff --git a/exercises/functions/functions3.rs b/exercises/functions/functions3.rs
index e3c1bf7..4ae2f9a 100644
--- a/exercises/functions/functions3.rs
+++ b/exercises/functions/functions3.rs
@@ -1,10 +1,8 @@
// functions3.rs
// Make me compile! Execute `rustlings hint functions3` for hints :)
-// I AM NOT DONE
-
fn main() {
- call_me();
+ call_me(3);
}
fn call_me(num: i32) {
diff --git a/exercises/functions/functions4.rs b/exercises/functions/functions4.rs
index 58637e4..88196de 100644
--- a/exercises/functions/functions4.rs
+++ b/exercises/functions/functions4.rs
@@ -4,14 +4,12 @@
// This store is having a sale where if the price is an even number, you get
// 10 Rustbucks off, but if it's an odd number, it's 3 Rustbucks off.
-// I AM NOT DONE
-
fn main() {
- let original_price = 51;
+ let original_price:i32 = 51;
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 {
diff --git a/exercises/functions/functions5.rs b/exercises/functions/functions5.rs
index d22aa6c..c4469c7 100644
--- a/exercises/functions/functions5.rs
+++ b/exercises/functions/functions5.rs
@@ -1,13 +1,11 @@
// functions5.rs
// Make me compile! Execute `rustlings hint functions5` for hints :)
-// I AM NOT DONE
-
fn main() {
let answer = square(3);
println!("The answer is {}", answer);
}
fn square(num: i32) -> i32 {
- num * num;
+ return num * num;
}
diff --git a/exercises/if/if1.rs b/exercises/if/if1.rs
index 9086754..0a68e82 100644
--- a/exercises/if/if1.rs
+++ b/exercises/if/if1.rs
@@ -1,9 +1,11 @@
// if1.rs
-// I AM NOT DONE
-
pub fn bigger(a: i32, b: i32) -> i32 {
// Complete this function to return the bigger number!
+ if a > b {
+ return a;
+ }
+ return b;
// Do not use:
// - another function call
// - additional variables
diff --git a/exercises/if/if2.rs b/exercises/if/if2.rs
index 80effbd..545083a 100644
--- a/exercises/if/if2.rs
+++ b/exercises/if/if2.rs
@@ -4,13 +4,13 @@
// Step 2: Get the bar_for_fuzz and default_to_baz tests passing!
// Execute the command `rustlings hint if2` if you want a hint :)
-// I AM NOT DONE
-
pub fn fizz_if_foo(fizzish: &str) -> &str {
if fizzish == "fizz" {
"foo"
+ } else if fizzish == "fuzz" {
+ "bar"
} else {
- 1
+ "baz"
}
}
diff --git a/exercises/primitive_types/primitive_types1.rs b/exercises/primitive_types/primitive_types1.rs
index 0912139..53330d3 100644
--- a/exercises/primitive_types/primitive_types1.rs
+++ b/exercises/primitive_types/primitive_types1.rs
@@ -2,7 +2,6 @@
// Fill in the rest of the line that has code missing!
// No hints, there's no tricks, just get used to typing these :)
-// I AM NOT DONE
fn main() {
// Booleans (`bool`)
@@ -12,7 +11,7 @@ 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!");
}
diff --git a/exercises/primitive_types/primitive_types2.rs b/exercises/primitive_types/primitive_types2.rs
index 6576a4d..1919288 100644
--- a/exercises/primitive_types/primitive_types2.rs
+++ b/exercises/primitive_types/primitive_types2.rs
@@ -2,8 +2,6 @@
// Fill in the rest of the line that has code missing!
// No hints, there's no tricks, just get used to typing these :)
-// I AM NOT DONE
-
fn main() {
// Characters (`char`)
@@ -16,7 +14,7 @@ fn main() {
println!("Neither alphabetic nor numeric!");
}
- let // Finish this line like the example! What's your favorite character?
+ let your_character = 'A'; // 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() {
diff --git a/exercises/primitive_types/primitive_types3.rs b/exercises/primitive_types/primitive_types3.rs
index dfd6351..78793c4 100644
--- a/exercises/primitive_types/primitive_types3.rs
+++ b/exercises/primitive_types/primitive_types3.rs
@@ -2,10 +2,8 @@
// Create an array with at least 100 elements in it where the ??? is.
// Execute `rustlings hint primitive_types3` for hints!
-// I AM NOT DONE
-
fn main() {
- let a = ???
+ let a = [3; 101];
if a.len() >= 100 {
println!("Wow, that's a big array!");
diff --git a/exercises/primitive_types/primitive_types4.rs b/exercises/primitive_types/primitive_types4.rs
index 10b553e..d773c13 100644
--- a/exercises/primitive_types/primitive_types4.rs
+++ b/exercises/primitive_types/primitive_types4.rs
@@ -2,13 +2,11 @@
// Get a slice out of Array a where the ??? is so that the test passes.
// Execute `rustlings hint primitive_types4` for hints!!
-// I AM NOT DONE
-
#[test]
fn slice_out_of_array() {
let a = [1, 2, 3, 4, 5];
- let nice_slice = ???
+ let nice_slice = &a[1..4];
assert_eq!([2, 3, 4], nice_slice)
}
diff --git a/exercises/primitive_types/primitive_types5.rs b/exercises/primitive_types/primitive_types5.rs
index 680d8d2..85f42cf 100644
--- a/exercises/primitive_types/primitive_types5.rs
+++ b/exercises/primitive_types/primitive_types5.rs
@@ -2,11 +2,9 @@
// Destructure the `cat` tuple so that the println will work.
// Execute `rustlings hint primitive_types5` for hints!
-// I AM NOT DONE
-
fn main() {
let cat = ("Furry McFurson", 3.5);
- let /* your pattern here */ = cat;
+ let (name, age) = cat;
println!("{} is {} years old.", name, age);
}
diff --git a/exercises/primitive_types/primitive_types6.rs b/exercises/primitive_types/primitive_types6.rs
index 2bc817e..c8d010a 100644
--- a/exercises/primitive_types/primitive_types6.rs
+++ b/exercises/primitive_types/primitive_types6.rs
@@ -3,9 +3,7 @@
// You can put this right into the `println!` where the ??? is.
// Execute `rustlings hint primitive_types6` for hints!
-// I AM NOT DONE
-
fn main() {
let numbers = (1, 2, 3);
- println!("The second number is {}", ???);
+ println!("The second number is {}", numbers.1);
}
diff --git a/exercises/quiz1.rs b/exercises/quiz1.rs
index 5c5c355..b5f1498 100644
--- a/exercises/quiz1.rs
+++ b/exercises/quiz1.rs
@@ -7,8 +7,6 @@
// more than 40 at once, each apple only costs 1! Write a function that calculates
// the price of an order of apples given the order amount. No hints this time!
-// I AM NOT DONE
-
// Put your function here!
// fn ..... {
@@ -21,3 +19,11 @@ fn verify_test() {
assert_eq!(70, price1);
assert_eq!(65, price2);
}
+
+fn calculate_apple_price(amount: u32) -> u32 {
+ let mut unit = 2;
+ if amount > 40 {
+ unit = 1;
+ }
+ return amount * unit;
+}
diff --git a/exercises/structs/structs1.rs b/exercises/structs/structs1.rs
index 6d0b2f4..480b657 100644
--- a/exercises/structs/structs1.rs
+++ b/exercises/structs/structs1.rs
@@ -1,13 +1,12 @@
// structs1.rs
// Address all the TODOs to make the tests pass!
-// I AM NOT DONE
-
struct ColorClassicStruct {
- // TODO: Something goes here
+ name: String,
+ hex: String
}
-struct ColorTupleStruct(/* TODO: Something goes here */);
+struct ColorTupleStruct(String, String);
#[derive(Debug)]
struct UnitStruct;
@@ -19,25 +18,28 @@ mod tests {
#[test]
fn classic_c_structs() {
// TODO: Instantiate a classic c struct!
- // let green =
+ let green = ColorClassicStruct {
+ name: String::from("green"),
+ hex: String::from("#00FF00")
+ };
- assert_eq!(green.name, "green");
- assert_eq!(green.hex, "#00FF00");
+ assert_eq!(green.name, String::from("green"));
+ assert_eq!(green.hex, String::from("#00FF00"));
}
#[test]
fn tuple_structs() {
// TODO: Instantiate a tuple struct!
- // let green =
+ let green = ColorTupleStruct(String::from("green"), String::from("#00FF00"));
- assert_eq!(green.0, "green");
- assert_eq!(green.1, "#00FF00");
+ assert_eq!(green.0, String::from("green"));
+ assert_eq!(green.1, String::from("#00FF00"));
}
#[test]
fn unit_structs() {
// TODO: Instantiate a unit struct!
- // let unit_struct =
+ let unit_struct = UnitStruct{};
let message = format!("{:?}s are fun!", unit_struct);
assert_eq!(message, "UnitStructs are fun!");
diff --git a/exercises/variables/variables1.rs b/exercises/variables/variables1.rs
index 4a3af73..db85e7e 100644
--- a/exercises/variables/variables1.rs
+++ b/exercises/variables/variables1.rs
@@ -6,9 +6,7 @@
// even after you already figured it out. If you got everything working and
// feel ready for the next exercise, remove the `I AM NOT DONE` comment below.
-// I AM NOT DONE
-
fn main() {
- x = 5;
+ let x = 5;
println!("x has the value {}", x);
}
diff --git a/exercises/variables/variables2.rs b/exercises/variables/variables2.rs
index 7774a8f..434f17e 100644
--- a/exercises/variables/variables2.rs
+++ b/exercises/variables/variables2.rs
@@ -1,10 +1,8 @@
// variables2.rs
// Make me compile! Execute the command `rustlings hint variables2` if you want a hint :)
-// I AM NOT DONE
-
fn main() {
- let x;
+ let x:u32 = 0;
if x == 10 {
println!("Ten!");
} else {
diff --git a/exercises/variables/variables3.rs b/exercises/variables/variables3.rs
index 30ec48f..7d84709 100644
--- a/exercises/variables/variables3.rs
+++ b/exercises/variables/variables3.rs
@@ -1,10 +1,8 @@
// variables3.rs
// Make me compile! Execute the command `rustlings hint variables3` if you want a hint :)
-// I AM NOT DONE
-
fn main() {
- let x = 3;
+ let mut x = 3;
println!("Number {}", x);
x = 5; // don't change this line
println!("Number {}", x);
diff --git a/exercises/variables/variables4.rs b/exercises/variables/variables4.rs
index 77f1e9a..f8c7845 100644
--- a/exercises/variables/variables4.rs
+++ b/exercises/variables/variables4.rs
@@ -1,9 +1,7 @@
// variables4.rs
// Make me compile! Execute the command `rustlings hint variables4` if you want a hint :)
-// I AM NOT DONE
-
fn main() {
- let x: i32;
+ let x: i32 = 0;
println!("Number {}", x);
}
diff --git a/exercises/variables/variables5.rs b/exercises/variables/variables5.rs
index 5b2c2fa..5527f12 100644
--- a/exercises/variables/variables5.rs
+++ b/exercises/variables/variables5.rs
@@ -1,11 +1,10 @@
// variables5.rs
// Make me compile! Execute the command `rustlings hint variables5` if you want a hint :)
-// I AM NOT DONE
fn main() {
let number = "3"; // don't change this line
println!("Number {}", number);
- number = 3;
+ let number: u32 = 3;
println!("Number {}", number);
}
diff --git a/exercises/variables/variables6.rs b/exercises/variables/variables6.rs
index 9866691..b651ae0 100644
--- a/exercises/variables/variables6.rs
+++ b/exercises/variables/variables6.rs
@@ -1,9 +1,7 @@
// variables6.rs
// Make me compile! Execute the command `rustlings hint variables6` if you want a hint :)
-// I AM NOT DONE
-
-const NUMBER = 3;
fn main() {
+ const NUMBER: i32 = 3;
println!("Number {}", NUMBER);
}