Crate qr_base44 

qr-base44: Base44 encoder/decoder for arbitrary bytes using URL-safe QR-compatible alphabet.

• Encoding groups: 2 bytes -> 3 chars; 1 byte -> 2 chars.
• Alphabet: “0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ$%*+-./:” (44 chars, excludes space only)
• Public API encodes &u8 -> String and decodes &str -> Vec.

Enums

Base44Error

Constants

BASE44_ALPHABET

Base44 alphabet: URL-safe QR-compatible subset (excludes space only)

Functions

decode

Decode a Base44 string back to raw bytes. Accepts only the Base44 alphabet; returns errors for invalid chars, dangling final char, or overflow.

decode_bits

Decode a Base44 string back to bytes, expecting a specific bit count.

encode

Encode arbitrary bytes into a Base44 string. Groups of 2 bytes produce 3 characters; a final single byte produces 2 characters.

encode_bits

Encode a fixed number of bits (arbitrary length) as a Base44 string with optimal length.