From 0ab8e329907b1bdfed6ecf3d373546dcf908b17c Mon Sep 17 00:00:00 2001 From: mDanone Date: Fri, 27 Oct 2023 23:39:39 +0300 Subject: [PATCH] examples --- exercises/00_intro/intro1.rs | 1 - exercises/00_intro/intro2.rs | 3 +-- exercises/01_variables/variables1.rs | 3 +-- exercises/01_variables/variables2.rs | 5 ++--- exercises/01_variables/variables3.rs | 3 +-- exercises/01_variables/variables4.rs | 3 +-- exercises/01_variables/variables5.rs | 4 ++-- exercises/01_variables/variables6.rs | 3 +-- exercises/02_functions/functions1.rs | 6 +++++- exercises/02_functions/functions2.rs | 3 +-- exercises/02_functions/functions3.rs | 3 +-- exercises/02_functions/functions4.rs | 3 +-- exercises/02_functions/functions5.rs | 3 +-- exercises/03_if/if1.rs | 6 +++++- exercises/03_if/if2.rs | 5 +++-- exercises/03_if/if3.rs | 5 ++--- exercises/04_primitive_types/primitive_types1.rs | 3 +-- exercises/04_primitive_types/primitive_types2.rs | 3 +-- exercises/04_primitive_types/primitive_types3.rs | 3 +-- exercises/04_primitive_types/primitive_types4.rs | 2 +- exercises/quiz1.rs | 8 +++++++- 21 files changed, 39 insertions(+), 39 deletions(-) diff --git a/exercises/00_intro/intro1.rs b/exercises/00_intro/intro1.rs index 5dd18b45..8f3807ce 100644 --- a/exercises/00_intro/intro1.rs +++ b/exercises/00_intro/intro1.rs @@ -13,7 +13,6 @@ // Execute `rustlings hint intro1` or use the `hint` watch subcommand for a // hint. -// I AM NOT DONE fn main() { println!("Hello and"); diff --git a/exercises/00_intro/intro2.rs b/exercises/00_intro/intro2.rs index 990b20f0..39091331 100644 --- a/exercises/00_intro/intro2.rs +++ b/exercises/00_intro/intro2.rs @@ -5,8 +5,7 @@ // Execute `rustlings hint intro2` or use the `hint` watch subcommand for a // hint. -// I AM NOT DONE fn main() { - println!("Hello {}!"); + println!("Hello {}!", "jey"); } diff --git a/exercises/01_variables/variables1.rs b/exercises/01_variables/variables1.rs index b3e089a5..469fd4ef 100644 --- a/exercises/01_variables/variables1.rs +++ b/exercises/01_variables/variables1.rs @@ -5,9 +5,8 @@ // Execute `rustlings hint variables1` or use the `hint` watch subcommand for a // hint. -// I AM NOT DONE fn main() { - x = 5; + let x = 5; println!("x has the value {}", x); } diff --git a/exercises/01_variables/variables2.rs b/exercises/01_variables/variables2.rs index e1c23edf..e8ecc5eb 100644 --- a/exercises/01_variables/variables2.rs +++ b/exercises/01_variables/variables2.rs @@ -3,13 +3,12 @@ // Execute `rustlings hint variables2` or use the `hint` watch subcommand for a // hint. -// I AM NOT DONE fn main() { - let x; + let x = 10u8; if x == 10 { println!("x is ten!"); } else { println!("x is not ten!"); } -} +} \ No newline at end of file diff --git a/exercises/01_variables/variables3.rs b/exercises/01_variables/variables3.rs index 86bed419..a1bc9bcc 100644 --- a/exercises/01_variables/variables3.rs +++ b/exercises/01_variables/variables3.rs @@ -3,9 +3,8 @@ // Execute `rustlings hint variables3` or use the `hint` watch subcommand for a // hint. -// I AM NOT DONE fn main() { - let x: i32; + let x: i32 = 10; println!("Number {}", x); } diff --git a/exercises/01_variables/variables4.rs b/exercises/01_variables/variables4.rs index 5394f394..2d056da9 100644 --- a/exercises/01_variables/variables4.rs +++ b/exercises/01_variables/variables4.rs @@ -3,10 +3,9 @@ // Execute `rustlings hint variables4` or use the `hint` watch subcommand for 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/01_variables/variables5.rs b/exercises/01_variables/variables5.rs index a29b38be..0301f008 100644 --- a/exercises/01_variables/variables5.rs +++ b/exercises/01_variables/variables5.rs @@ -3,11 +3,11 @@ // Execute `rustlings hint variables5` or use the `hint` watch subcommand for a // hint. -// I AM NOT DONE fn main() { let number = "T-H-R-E-E"; // don't change this line println!("Spell a Number : {}", number); - number = 3; // don't rename this variable + let number = 3; // don't rename this variable println!("Number plus two is : {}", number + 2); } + diff --git a/exercises/01_variables/variables6.rs b/exercises/01_variables/variables6.rs index 853183ba..052a2f69 100644 --- a/exercises/01_variables/variables6.rs +++ b/exercises/01_variables/variables6.rs @@ -3,9 +3,8 @@ // Execute `rustlings hint variables6` or use the `hint` watch subcommand for a // hint. -// I AM NOT DONE -const NUMBER = 3; +const NUMBER: i32 = 3; fn main() { println!("Number {}", NUMBER); } diff --git a/exercises/02_functions/functions1.rs b/exercises/02_functions/functions1.rs index 40ed9a07..3e6dda99 100644 --- a/exercises/02_functions/functions1.rs +++ b/exercises/02_functions/functions1.rs @@ -3,7 +3,11 @@ // Execute `rustlings hint functions1` or use the `hint` watch subcommand for a // hint. -// I AM NOT DONE + +fn call_me(){ + println!("Hello") +} + fn main() { call_me(); diff --git a/exercises/02_functions/functions2.rs b/exercises/02_functions/functions2.rs index 5154f34d..70610cd7 100644 --- a/exercises/02_functions/functions2.rs +++ b/exercises/02_functions/functions2.rs @@ -3,13 +3,12 @@ // Execute `rustlings hint functions2` or use the `hint` watch subcommand for a // hint. -// I AM NOT DONE 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); } diff --git a/exercises/02_functions/functions3.rs b/exercises/02_functions/functions3.rs index 74f44d6d..49352312 100644 --- a/exercises/02_functions/functions3.rs +++ b/exercises/02_functions/functions3.rs @@ -3,10 +3,9 @@ // Execute `rustlings hint functions3` or use the `hint` watch subcommand for a // hint. -// I AM NOT DONE fn main() { - call_me(); + call_me(10); } fn call_me(num: u32) { diff --git a/exercises/02_functions/functions4.rs b/exercises/02_functions/functions4.rs index 77c4b2aa..96891ce2 100644 --- a/exercises/02_functions/functions4.rs +++ b/exercises/02_functions/functions4.rs @@ -8,14 +8,13 @@ // Execute `rustlings hint functions4` or use the `hint` watch subcommand for a // hint. -// I AM NOT DONE fn main() { let original_price = 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/02_functions/functions5.rs b/exercises/02_functions/functions5.rs index f1b63f48..a9dd1b57 100644 --- a/exercises/02_functions/functions5.rs +++ b/exercises/02_functions/functions5.rs @@ -3,7 +3,6 @@ // Execute `rustlings hint functions5` or use the `hint` watch subcommand for a // hint. -// I AM NOT DONE fn main() { let answer = square(3); @@ -11,5 +10,5 @@ fn main() { } fn square(num: i32) -> i32 { - num * num; + num * num } diff --git a/exercises/03_if/if1.rs b/exercises/03_if/if1.rs index 4734d78f..a938def8 100644 --- a/exercises/03_if/if1.rs +++ b/exercises/03_if/if1.rs @@ -2,9 +2,13 @@ // // Execute `rustlings hint if1` or use the `hint` watch subcommand for a hint. -// I AM NOT DONE pub fn bigger(a: i32, b: i32) -> i32 { + if a > b{ + return a + } + b + // Complete this function to return the bigger number! // Do not use: // - another function call diff --git a/exercises/03_if/if2.rs b/exercises/03_if/if2.rs index f512f13f..40c07802 100644 --- a/exercises/03_if/if2.rs +++ b/exercises/03_if/if2.rs @@ -5,13 +5,14 @@ // // Execute `rustlings hint if2` or use the `hint` watch subcommand for a hint. -// I AM NOT DONE pub fn foo_if_fizz(fizzish: &str) -> &str { if fizzish == "fizz" { "foo" + } else if fizzish == "fuzz" { + "bar" } else { - 1 + "baz" } } diff --git a/exercises/03_if/if3.rs b/exercises/03_if/if3.rs index 16962740..022d56a8 100644 --- a/exercises/03_if/if3.rs +++ b/exercises/03_if/if3.rs @@ -2,17 +2,16 @@ // // Execute `rustlings hint if3` or use the `hint` watch subcommand for a hint. -// I AM NOT DONE pub fn animal_habitat(animal: &str) -> &'static str { let identifier = if animal == "crab" { 1 } else if animal == "gopher" { - 2.0 + 2 } else if animal == "snake" { 3 } else { - "Unknown" + 0 }; // DO NOT CHANGE THIS STATEMENT BELOW diff --git a/exercises/04_primitive_types/primitive_types1.rs b/exercises/04_primitive_types/primitive_types1.rs index 36633400..4f5af989 100644 --- a/exercises/04_primitive_types/primitive_types1.rs +++ b/exercises/04_primitive_types/primitive_types1.rs @@ -3,7 +3,6 @@ // 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`) @@ -13,7 +12,7 @@ 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/04_primitive_types/primitive_types2.rs b/exercises/04_primitive_types/primitive_types2.rs index f1616ed3..c431d622 100644 --- a/exercises/04_primitive_types/primitive_types2.rs +++ b/exercises/04_primitive_types/primitive_types2.rs @@ -3,7 +3,6 @@ // 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`) @@ -19,7 +18,7 @@ fn main() { println!("Neither alphabetic nor numeric!"); } - let // Finish this line like the example! What's your favorite character? + let your_character = '2';// 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/04_primitive_types/primitive_types3.rs b/exercises/04_primitive_types/primitive_types3.rs index 8b0de44e..b8231938 100644 --- a/exercises/04_primitive_types/primitive_types3.rs +++ b/exercises/04_primitive_types/primitive_types3.rs @@ -5,10 +5,9 @@ // Execute `rustlings hint primitive_types3` or use the `hint` watch subcommand // for a hint. -// I AM NOT DONE fn main() { - let a = ??? + let a = (1..1000); if a.len() >= 100 { println!("Wow, that's a big array!"); diff --git a/exercises/04_primitive_types/primitive_types4.rs b/exercises/04_primitive_types/primitive_types4.rs index d44d8776..6243d7a3 100644 --- a/exercises/04_primitive_types/primitive_types4.rs +++ b/exercises/04_primitive_types/primitive_types4.rs @@ -11,7 +11,7 @@ fn slice_out_of_array() { let a = [1, 2, 3, 4, 5]; - let nice_slice = ??? + let nice_slice = a[::3]; assert_eq!([2, 3, 4], nice_slice) } diff --git a/exercises/quiz1.rs b/exercises/quiz1.rs index 4ee5ada7..4f8497b2 100644 --- a/exercises/quiz1.rs +++ b/exercises/quiz1.rs @@ -13,10 +13,16 @@ // // No hints this time ;) -// I AM NOT DONE // Put your function here! // fn calculate_price_of_apples { +fn calculate_price_of_apples(price: i32) -> i32 { + if price <= 40{ + price * 2 + } else { + price + } +} // Don't modify this function! #[test]