From fa29595ab2ab6b5955d05007c57ea759624266b0 Mon Sep 17 00:00:00 2001 From: Rock070 Date: Fri, 15 Dec 2023 02:09:11 +0800 Subject: [PATCH] Update variable initialization and type declaration --- exercises/01_variables/variables3.rs | 4 +--- exercises/01_variables/variables4.rs | 4 +--- exercises/01_variables/variables5.rs | 6 ++---- exercises/01_variables/variables6.rs | 4 +--- 4 files changed, 5 insertions(+), 13 deletions(-) diff --git a/exercises/01_variables/variables3.rs b/exercises/01_variables/variables3.rs index 86bed419..580014f5 100644 --- a/exercises/01_variables/variables3.rs +++ b/exercises/01_variables/variables3.rs @@ -3,9 +3,7 @@ // 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 = 3; println!("Number {}", x); } diff --git a/exercises/01_variables/variables4.rs b/exercises/01_variables/variables4.rs index 5394f394..c75843ea 100644 --- a/exercises/01_variables/variables4.rs +++ b/exercises/01_variables/variables4.rs @@ -3,10 +3,8 @@ // 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..1b2af0e3 100644 --- a/exercises/01_variables/variables5.rs +++ b/exercises/01_variables/variables5.rs @@ -3,11 +3,9 @@ // 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 + let mut 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..0b69e92c 100644 --- a/exercises/01_variables/variables6.rs +++ b/exercises/01_variables/variables6.rs @@ -3,9 +3,7 @@ // Execute `rustlings hint variables6` or use the `hint` watch subcommand for a // hint. -// I AM NOT DONE - -const NUMBER = 3; +const NUMBER: u8 = 3; fn main() { println!("Number {}", NUMBER); }