v0.0.1

🚀 Features

• array: add cartesian_product
• array: add group_by
• array: add count_by
• array: add equals_unordered
• array: add intersects
• array: add symmetric_difference
• array: add intersection
• array: add difference
• array: add unique_by
• array: add unique
• env: add remove
• env: add set and InvalidKeyError
• env: add get
• env: add parse
• hex: add decode_array
• hex: add decode_to_slice
• hex: add decode and DecodeError
• hex: add encode_upper
• hex: add encode
• string: add escape_html
• string: add dedent
• string: add truncate
• string: add slugify
• string: add kebab_case
• string: add snake_case
• string: add pascal_case
• string: add camel_case
• scaffold crate with string::capitalize

🔧 Miscellaneous

• drop the redundant helpers4 scope

♻️ Refactoring

• string: colocate tests, property tests and benches with each helper
• adopt a strict lint table

📝 Documentation

• agents: describe the CI checks and the reusable workflows
• agents: note that coverage counts each generic instantiation
• string: drop the Since marker in favor of a computed api-since.json
• string: list the string helpers in llms.txt

✅ Tests

• array: benchmark unique, difference, group_by and equals_unordered
• hex: benchmark encode and decode
• string: benchmark the case, slug, escape and dedent helpers

📦 Build

• publish only sources, benchmarks and entry-point docs

👷 CI/CD

• confirm suspected benchmark regressions before reporting them
• say so when a diff generates no mutant
• raise the benchmark noise threshold to avoid false regressions
• add benchmark and mutation-testing jobs
• configure cargo-mutants
• run the minimal-versions job on nightly despite rust-toolchain.toml
• split CI into reusable jobs with PR and main validation