From 7a6b39125e8dc5559d509787db8a9ebba0872e8f Mon Sep 17 00:00:00 2001 From: Jonathan Zernik Date: Sat, 4 Jun 2022 21:26:29 -0700 Subject: [PATCH] Solve more exercises (#2) --- exercises/functions/functions1.rs | 4 +++- exercises/functions/functions2.rs | 4 +--- exercises/functions/functions3.rs | 4 +--- exercises/functions/functions4.rs | 4 +--- exercises/functions/functions5.rs | 4 +--- exercises/if/if1.rs | 7 +++++-- exercises/if/if2.rs | 6 +++--- exercises/quiz1.rs | 10 ++++++++-- 8 files changed, 23 insertions(+), 20 deletions(-) diff --git a/exercises/functions/functions1.rs b/exercises/functions/functions1.rs index 31125278..269672b2 100644 --- a/exercises/functions/functions1.rs +++ b/exercises/functions/functions1.rs @@ -1,7 +1,9 @@ // functions1.rs // Make me compile! Execute `rustlings hint functions1` for hints :) -// I AM NOT DONE +fn call_me() { + println!("Hello!"); +} fn main() { call_me(); diff --git a/exercises/functions/functions2.rs b/exercises/functions/functions2.rs index 5721a172..cfc3cc1a 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: i32) { for i in 0..num { println!("Ring! Call number {}", i + 1); } diff --git a/exercises/functions/functions3.rs b/exercises/functions/functions3.rs index ed5f839f..2f545795 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(7); } fn call_me(num: u32) { diff --git a/exercises/functions/functions4.rs b/exercises/functions/functions4.rs index 58637e4c..b6af7c4b 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; 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 d22aa6c8..059e9295 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; + num * num } diff --git a/exercises/if/if1.rs b/exercises/if/if1.rs index 90867545..361b9fc0 100644 --- a/exercises/if/if1.rs +++ b/exercises/if/if1.rs @@ -1,13 +1,16 @@ // if1.rs -// I AM NOT DONE - pub fn bigger(a: i32, b: i32) -> i32 { // Complete this function to return the bigger number! // Do not use: // - another function call // - additional variables // Execute `rustlings hint if1` for hints + if a > b { + a + } else { + b + } } // Don't mind this for now :) diff --git a/exercises/if/if2.rs b/exercises/if/if2.rs index 80effbdf..545083a3 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/quiz1.rs b/exercises/quiz1.rs index 7bd3f589..1240fa5a 100644 --- a/exercises/quiz1.rs +++ b/exercises/quiz1.rs @@ -8,11 +8,17 @@ // more than 40 at once, each apple only costs 1! Write a function that calculates // the price of an order of apples given the quantity bought. No hints this time! -// I AM NOT DONE - // Put your function here! // fn calculate_apple_price { +fn calculate_apple_price(num_apples: u32) -> u32 { + if num_apples > 40 { + num_apples + } else { + num_apples * 2 + } +} + // Don't modify this function! #[test] fn verify_test() {