copybook-overpunch 0.4.3

Zoned decimal overpunch encode/decode primitives for copybook-rs
Documentation

copybook-overpunch

Zoned decimal overpunch encoding and decoding primitives for copybook-rs.

This crate isolates one responsibility: last-digit overpunch mapping for ASCII and EBCDIC codepages, including sign policy handling and validation helpers.

Public API

  • ZeroSignPolicy
  • encode_ebcdic_overpunch_zone
  • decode_ebcdic_overpunch_zone
  • encode_overpunch_byte
  • decode_overpunch_byte
  • is_valid_overpunch
  • get_all_valid_overpunch_bytes