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update variables with type indication and added data types

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Sil Klaasboer
2025-12-18 11:34:22 +01:00
parent 54afcf45ee
commit 1529443824
1 changed files with 10 additions and 6 deletions
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16
variables/src/main.rs
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@@ -2,14 +2,15 @@
const NAME : &str = "John"; const NAME : &str = "John";
const HEX_NUM : &i32 = &0x01; const HEX_NUM : &i32 = &0x01;
fn main() { fn main() {
// local variables dont need a type indication and are by default immutable // local variables dont need a type indication and are by default immutable
let local_name = "Dough"; let local_name: &str = "Dough"; // must be surrounded by double quotes
let normal_int = 35; let normal_int: i32 = 35;
let hex_int = 0x35; let hex_int: i32 = 0x35;
let bin_int = 0b10101111; let bin_int: i32 = 0b10101111;
let height: f64 = 1.79;
let character: char = 'M';
let has_driver_license: bool = true;
//make them mutable by mut modifier //make them mutable by mut modifier
let mut middle_name = "Levy"; let mut middle_name = "Levy";
@@ -18,6 +19,9 @@ fn main() {
println!("name: {} {} {}",NAME,middle_name, local_name); println!("name: {} {} {}",NAME,middle_name, local_name);
println!("age: {}", normal_int); println!("age: {}", normal_int);
println!("gender: {}",character);
println!("has driver license: {}",has_driver_license);
println!("height: {}",height);
println!("hex: {}",hex_int); println!("hex: {}",hex_int);
println!("const hex: {}",HEX_NUM); println!("const hex: {}",HEX_NUM);
println!("binary: {}",bin_int); println!("binary: {}",bin_int);