pub fn encode_data(data: &[u8]) -> String {
        // encode data
        let mut base = Vec::new();
        for chunk in data.chunks(3) {
            let num: usize = [16, 8, 0]
                .iter()
                .zip(chunk.iter())
                .fold(0, |acc, (s, b)| acc + ((*b as usize) << *s));
            [18usize, 12, 6, 0]
                .iter()
                .map(|s| (num >> s) & 0b0011_1111)
                .for_each(|b| base.push(Self::encode_byte(b)));
        }

        // apply padding
        let to_pad = match data.len() % 3 {
            2 => 1,
            1 => 2,
            _ => 0,
        };
        base.iter_mut().rev().take(to_pad).for_each(|b| *b = Self::PADDING);

        match String::from_utf8(base) {
            Ok(s) => s,
            Err(e) => {
                let error = e.utf8_error();
                let valid_up_to = error.valid_up_to();
                let error_msg = format!("Fail encoding to base64: valid_up_to({})", valid_up_to);
                panic!("{}", crate::Error::Base64ErrorDetailed(error_msg))
            }
        }
    }
/// encode `data` using a base64 uri-safe character set.
encode `data` using a base64 uri-safe character set.
encode ` data ` using a base64 uri - safe character set .
pub fn encode_data(data: &[u8]) -> String {
        // encode data
        let mut base = Vec::new();
        for chunk in data.chunks(3) {
            let num: usize = [16, 8, 0]
                .iter()
                .zip(chunk.iter())
                .fold(0, |acc, (s, b)| acc + ((*b as usize) << *s));
            [18usize, 12, 6, 0]
                .iter()
                .map(|s| (num >> s) & 0b0011_1111)
                .for_each(|b| base.push(Self::encode_byte(b)));
        }
        // apply padding
        let to_pad = match data.len() % 3 {
            2 => 1,
            1 => 2,
            _ => 0,
        };
        base.iter_mut().rev().take(to_pad).for_each(|b| *b = Self::PADDING);
        match String::from_utf8(base) {
            Ok(s) => s,
            Err(e) => {
                let error = e.utf8_error();
                let valid_up_to = error.valid_up_to();
                let error_msg = format!("Fail encoding to base64: valid_up_to({})", valid_up_to);
                panic!("{}", crate::Error::Base64ErrorDetailed(error_msg))
            }
        }
    }
pub fn encode_data ( data : & [ u8 ] ) -> String { // encode data let mut base = Vec :: new ( ) ; for chunk in data . chunks ( 3 ) { let num : usize = [ 16 , 8 , 0 ] . iter ( ) . zip ( chunk . iter ( ) ) . fold ( 0 , | acc , ( s , b ) | acc + ( ( * b as usize ) << * s ) ) ; [ 18usize , 12 , 6 , 0 ] . iter ( ) . map ( | s | ( num >> s ) & 0b0011_1111 ) . for_each ( | b | base . push ( Self :: encode_byte ( b ) ) ) ; } // apply padding let to_pad = match data . len ( ) % 3 { 2 => 1 , 1 => 2 , _ => 0 , } ; base . iter_mut ( ) . rev ( ) . take ( to_pad ) . for_each ( | b | * b = Self :: PADDING ) ; match String :: from_utf8 ( base ) { Ok ( s ) => s , Err ( e ) => { let error = e . utf8_error ( ) ; let valid_up_to = error . valid_up_to ( ) ; let error_msg = format ! ( " " valid_up_to ) ; panic ! ( " " crate Error Base64ErrorDetailed ( error_msg ) ) } } }
encode `data` using a base64 uri-safe character set.
encode ` data ` using a base64 uri - safe character set .
data
&[u8]