Function encode_url_safe 

pub fn encode_url_safe<T>(input: T) -> String
where
    T: AsRef<[u8]>,

Encode the input into a base64 string using the URL safe base64 encoding scheme (base64url).

Arguments

• input - The input data to encode, which can be any type that implements AsRef<[u8]>.

Returns

A String containing the base64url encoded representation of the input data.

Examples

let data = b"Hello, world!";
let encoded = base64::encode_url_safe(data);
assert_eq!(encoded, "SGVsbG8sIHdvcmxkIQ");