From 44c0480d5b6f23b1d1ebf3e3e163ef7c1a43bc6a Mon Sep 17 00:00:00 2001 From: Michael Cain Date: Thu, 9 Feb 2023 08:38:34 -0600 Subject: [PATCH 1/3] complete exercises --- exercises/intro/intro1.rs | 6 +++--- exercises/intro/intro2.rs | 4 +--- exercises/variables/variables1.rs | 4 +--- exercises/variables/variables2.rs | 4 +--- exercises/variables/variables3.rs | 4 +--- exercises/variables/variables4.rs | 4 +--- exercises/variables/variables5.rs | 8 ++++---- exercises/variables/variables6.rs | 4 +--- 8 files changed, 13 insertions(+), 25 deletions(-) diff --git a/exercises/intro/intro1.rs b/exercises/intro/intro1.rs index 45c5acba..84ad63b7 100644 --- a/exercises/intro/intro1.rs +++ b/exercises/intro/intro1.rs @@ -9,8 +9,6 @@ // when you change one of the lines below! Try adding a `println!` line, or try changing // what it outputs in your terminal. Try removing a semicolon and see what happens! -// I AM NOT DONE - fn main() { println!("Hello and"); println!(r#" welcome to... "#); @@ -26,5 +24,7 @@ fn main() { println!("solve the exercises. Good luck!"); println!(); println!("The source for this exercise is in `exercises/intro/intro1.rs`. Have a look!"); - println!("Going forward, the source of the exercises will always be in the success/failure output."); + println!( + "Going forward, the source of the exercises will always be in the success/failure output." + ); } diff --git a/exercises/intro/intro2.rs b/exercises/intro/intro2.rs index efc1af20..61405c84 100644 --- a/exercises/intro/intro2.rs +++ b/exercises/intro/intro2.rs @@ -2,8 +2,6 @@ // Make the code print a greeting to the world. // Execute `rustlings hint intro2` or use the `hint` watch subcommand for a hint. -// I AM NOT DONE - fn main() { - println!("Hello {}!"); + println!("Hello {}!", "world"); } diff --git a/exercises/variables/variables1.rs b/exercises/variables/variables1.rs index f4d182ac..84de9fdc 100644 --- a/exercises/variables/variables1.rs +++ b/exercises/variables/variables1.rs @@ -2,9 +2,7 @@ // Make me compile! // 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/variables/variables2.rs b/exercises/variables/variables2.rs index 641aeb8e..da101256 100644 --- a/exercises/variables/variables2.rs +++ b/exercises/variables/variables2.rs @@ -1,10 +1,8 @@ // variables2.rs // Execute `rustlings hint variables2` or use the `hint` watch subcommand for a hint. -// I AM NOT DONE - fn main() { - let x; + let x: i32 = 0; if x == 10 { println!("x is ten!"); } else { diff --git a/exercises/variables/variables3.rs b/exercises/variables/variables3.rs index 819b1bc7..c6bc4c79 100644 --- a/exercises/variables/variables3.rs +++ b/exercises/variables/variables3.rs @@ -1,9 +1,7 @@ // variables3.rs // 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 = 4; println!("Number {}", x); } diff --git a/exercises/variables/variables4.rs b/exercises/variables/variables4.rs index 54491b0a..8c2ddd6d 100644 --- a/exercises/variables/variables4.rs +++ b/exercises/variables/variables4.rs @@ -1,10 +1,8 @@ // variables4.rs // 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/variables/variables5.rs b/exercises/variables/variables5.rs index 0e670d2a..9dcfefec 100644 --- a/exercises/variables/variables5.rs +++ b/exercises/variables/variables5.rs @@ -1,11 +1,11 @@ // variables5.rs // 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 - println!("Number plus two is : {}", number + 2); + { + let number = 3; // don't rename this variable + println!("Number plus two is : {}", number + 2); + } } diff --git a/exercises/variables/variables6.rs b/exercises/variables/variables6.rs index a8520122..e8314b28 100644 --- a/exercises/variables/variables6.rs +++ b/exercises/variables/variables6.rs @@ -1,9 +1,7 @@ // variables6.rs // 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); } From 84bdea68e0e6058de1f83f988bb81d7646e443be Mon Sep 17 00:00:00 2001 From: Michael Cain Date: Mon, 13 Feb 2023 09:18:49 -0600 Subject: [PATCH 2/3] Update exercises/intro/intro2.rs Co-authored-by: Paul Scarrone --- exercises/intro/intro2.rs | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/exercises/intro/intro2.rs b/exercises/intro/intro2.rs index 61405c84..7a00e8d6 100644 --- a/exercises/intro/intro2.rs +++ b/exercises/intro/intro2.rs @@ -3,5 +3,6 @@ // Execute `rustlings hint intro2` or use the `hint` watch subcommand for a hint. fn main() { - println!("Hello {}!", "world"); + let world = "world"; + println!("Hello {world}!"); } From b410ca2df76952db07020a3c8a776dd3db52fdad Mon Sep 17 00:00:00 2001 From: Michael Cain Date: Mon, 13 Feb 2023 09:57:50 -0600 Subject: [PATCH 3/3] Update exercises/variables/variables4.rs Co-authored-by: Paul Scarrone --- exercises/variables/variables4.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/exercises/variables/variables4.rs b/exercises/variables/variables4.rs index 8c2ddd6d..53d09e7c 100644 --- a/exercises/variables/variables4.rs +++ b/exercises/variables/variables4.rs @@ -2,8 +2,8 @@ // Execute `rustlings hint variables4` or use the `hint` watch subcommand for a hint. fn main() { - let mut x = 3; + let x = 3; println!("Number {}", x); - x = 5; // don't change this line + let x = 5; // don't change this line println!("Number {}", x); }