wdg-base32 0.5.2

The Base32 Data Encoding
Documentation 
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impl B32Encode<i64,String> for B32<String>{
    fn encode(data:i64)->String{
        let mut string:String=String::with_capacity(16);
        unsafe{
            let vec=&mut string.as_mut_vec();
            vec.set_len(16);
            b32_encode_8((&data as *const i64) as *const u64,1,ALPHABET32_ENCODE.as_ptr(),vec.as_mut_ptr());
        }
        return string;
    }
}

impl B32Decode<String,i64> for B32<i64>{
    fn validation(data:String)->B32DecodeError{
        return b32_validation(data.as_ptr(),data.len(),8,ALPHABET32_DECODE.as_ptr(),3,0b1000,16,16,16);
    }
    fn decode(data:String)->Result<i64,B32DecodeError>{
        let ptr_data=data.as_ptr();
        let len_data=data.len();
        let ptr_alphabet=ALPHABET32_DECODE.as_ptr();

        let error=b32_validation(ptr_data,len_data,8,ALPHABET32_DECODE.as_ptr(),3,0b1000,16,16,16);
        if error!=B32DecodeError::Null {return Err(error)};

        let mut n=0i64;
        b32_decode_8(ptr_data,len_data,ptr_alphabet,(&mut n as *mut i64) as *mut u64,3);
        return Ok(n);
    }
    unsafe fn unsafe_decode(data:String)->i64{
        let mut n=0i64;
        b32_decode_8(data.as_ptr(),data.len(),ALPHABET32_DECODE.as_ptr(),(&mut n as *mut i64) as *mut u64,3);
        return n;
    }
}