Install and Config

Install

• windows

• download from https : //www . rust-lang . org/tools/install

• install rustup-init.exe
• test with rustc --version

some example

• entry

fn main(){
    // single line comment
    /* multi lines.
    the hello example.
    */
    println!("Hello, world!");
}

• compile

rustc hello.rs

• data types

• Integer: i8, i64, i32, u8, u32, u64, usize/isize(can vary in size)...

• Floating-point: f32, f64
• Boolean: true/false.
• String "in 8 hours"
• Array: a = [1,2,3]
• Slices: &a[e1...e10]
• Tuple: t=(1,2,3)
• Char: 'c'