Strings

String Literal

let cs: &str = "cheat sheet";

// => Share cheat sheet for developers
println!("Share {cs} for developers");

String Object

// Creating an empty string object
let my_string = String::new();

// Converting to a string object
let S_string = a_string.to_string()

// Creating an initialized string object
let lang = String::from("Rust");
println!("First language is {lang}");

.capacity()

let rand = String::from("Random String");
rand.capacity() // => 13

Calculates the capacity of the string in bytes.

.contains()

let name = String::from("ElementalX");
name.contains("Element") // => true

Checks if the substring is contained inside the original string or not.

Pushing a single character

let mut half_text = String::from("Hal");
half_text.push('f'); // => Half

Pushing an entire String

let mut hi = String::from("Hey there...");
hi.push_str("How are you doing??");

// => Hey there...How are you doing??
println!("{hi}");

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