pub fn decode(input: &str) -> Result<Vec<u8>, DecodeError> {
    let bits = input
        .chars()
        .enumerate()
        .map(|(pos, char)| match char {
            LOW => Ok(0),
            HIGH => Ok(1),
            _ => Err(DecodeError::InvalidCharacter { pos, char }),
        })
        .collect::<Result<Vec<u8>, DecodeError>>()?;

    if bits.len() % 8 != 0 {
        return Err(DecodeError::InvalidLength { length: bits.len() });
    }

    let bytes =
        bits.chunks_exact(8)
            .fold(Vec::with_capacity(input.len() / 8), |mut buffer, chunk| {
                buffer.push(
                    chunk
                        .iter()
                        .rev()
                        .enumerate()
                        .fold(0u8, |byte, (pos, bit)| byte | bit << pos),
                );

                buffer
            });

    Ok(bytes)
}
/// Decodes the given whitespace string back into binary.
///
/// - \u{0020} (whitespace) represents a high bit
/// - \u{200b} (zero width whitespace) represents a low bit
///
/// ## Errors
///
/// The function returns a `DecodeError` under the following circumstances:
///
/// - `DecodeError::InvalidLength` if the input length is not divisible through 8
/// - `DecodeError::InvalidCharacter` if the input contains invalid characters
///
/// ## Examples
///
/// ```rust
/// use whitespace::decode;
///
/// let encoded = "\u{200b}\u{200b}\u{200b}\u{200b}\u{0020}\u{200b}\u{0020}\u{200b}\u{200b}\u{200b}\u{200b}\u{200b}\u{0020}\u{200b}\u{0020}\u{200b}";
/// let decoded = decode(encoded);
///
/// assert_eq!(Ok(vec![10, 10]), decoded);
/// ```
Decodes the given whitespace string back into binary.
\u{0020} (whitespace) represents a high bit
\u{200b} (zero width whitespace) represents a low bit
Decodes the given whitespace string back into binary . \ u { 0020 } ( whitespace ) represents a high bit \ u { 200b } ( zero width whitespace ) represents a low bit
pub fn decode(input: &str) -> Result<Vec<u8>, DecodeError> {
    let bits = input
        .chars()
        .enumerate()
        .map(|(pos, char)| match char {
            LOW => Ok(0),
            HIGH => Ok(1),
            _ => Err(DecodeError::InvalidCharacter { pos, char }),
        })
        .collect::<Result<Vec<u8>, DecodeError>>()?;
    if bits.len() % 8 != 0 {
        return Err(DecodeError::InvalidLength { length: bits.len() });
    }
    let bytes =
        bits.chunks_exact(8)
            .fold(Vec::with_capacity(input.len() / 8), |mut buffer, chunk| {
                buffer.push(
                    chunk
                        .iter()
                        .rev()
                        .enumerate()
                        .fold(0u8, |byte, (pos, bit)| byte | bit << pos),
                );
                buffer
            });
    Ok(bytes)
}
pub fn decode ( input : & str ) -> Result < Vec < u8 > , DecodeError > { let bits = input . chars ( ) . enumerate ( ) . map ( | ( pos , char ) | match char { LOW => Ok ( 0 ) , HIGH => Ok ( 1 ) , _ => Err ( DecodeError :: InvalidCharacter { pos , char } ) , } ) . collect :: < Result < Vec < u8 > , DecodeError > > ( ) ? ; if bits . len ( ) % 8 != 0 { return Err ( DecodeError :: InvalidLength { length : bits . len ( ) } ) ; } let bytes = bits . chunks_exact ( 8 ) . fold ( Vec :: with_capacity ( input . len ( ) / 8 ) , | mut buffer , chunk | { buffer . push ( chunk . iter ( ) . rev ( ) . enumerate ( ) . fold ( 0u8 , | byte , ( pos , bit ) | byte | bit << pos ) , ) ; buffer } ) ; Ok ( bytes ) }
Decodes the given whitespace string back into binary.
Decodes the given whitespace string back into binary .
input
&str
input
&str
errors
The function returns a `DecodeError` under the following circumstances.

`DecodeError::InvalidLength` if the input length is not divisible through 8
`DecodeError::InvalidCharacter` if the input contains invalid characters
The function returns a ` DecodeError ` under the following circumstances . ` DecodeError :: InvalidLength ` if the input length is not divisible through 8 ` DecodeError :: InvalidCharacter ` if the input contains invalid characters
examples
```rust
use whitespace::decode.




` ` ` rust use whitespace :: decode .