base64-ng 2.0.1

no_std-first Base64 encoding and decoding with strict RFC 4648 APIs and optional SIMD
Documentation 
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use std::io;

pub(super) fn trailing_input_after_padding_error() -> io::Error {
    io::Error::new(
        io::ErrorKind::InvalidInput,
        "base64 decoder received trailing input after padding",
    )
}

pub(super) fn stream_decoder_failed_error() -> io::Error {
    io::Error::new(
        io::ErrorKind::InvalidInput,
        "base64 stream decoder is failed after malformed input",
    )
}

pub(super) fn stream_encoder_failed_error() -> io::Error {
    io::Error::new(
        io::ErrorKind::InvalidInput,
        "base64 stream encoder is failed after internal error",
    )
}

pub(super) fn wrapped_reader_overreported_error() -> io::Error {
    io::Error::new(
        io::ErrorKind::InvalidData,
        "wrapped reader reported more bytes than provided",
    )
}

pub(super) const fn redacted_inner_state(present: bool) -> &'static str {
    if present { "<present>" } else { "<taken>" }
}