Module validation 

Shared validation helpers for model invariants.

Validation in this crate is intentionally lightweight: types implement the Validate trait when they can check their own invariants, and helper functions provide reusable checks for common string-based contracts.

Traits

Validate

A model type that can verify its own invariants.

Functions

ensure_hash

Accept hexadecimal hashes with or without a known algorithm prefix.

ensure_http_url

Accept only http and https URLs.

ensure_non_empty

Reject values that are empty after trimming whitespace.