Module generator 

Code generation using HMAC-SHA256.

This module provides functions for generating promotional codes from counter values using HMAC-SHA256 and the Damm check digit algorithm.

Structs

CodeFormat

Code format options for prefix, suffix, and separators.

CodeGenerator

Iterator for generating codes lazily.

Enums

CheckPosition

Index-based check digit position.

Functions

generate_batch

Generate a batch of promotional codes.

generate_batch_into

Generate codes into a pre-allocated vector for better performance.

generate_code

Generate a single promotional code from a counter value.