v1.4.0 — Precision & Power

📦 godantic v1.4.0 — Precision & Power

Release Date: 2025-04-03
Author: Ismael GraHms
Tag: v1.4.0

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🚀 Highlights

This release introduces advanced numeric and decimal validation, enabling more expressive constraints directly via struct tags. It marks a major milestone in making godantic a robust, production-ready validation library — with native support for common real-world scenarios like monetary values, pagination limits, and constrained ranges.

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✨ New Features

🔢 Generic Range Constraints

• min and max for:
  • Strings (length)
  • Slices (length)
  • Numeric values

⚖️ Numeric Boundaries

• gt / lt: Greater than / Less than
• ge / le: Greater than or equal / Less than or equal

🎯 Multiples

• multiple_of: Value must be a clean multiple of a given number (e.g., 0.05, 100)

🧮 Decimal Precision

• max_digits: Maximum total digits (before + after decimal)
• decimal_places: Maximum digits after decimal

☢️ Special Float Handling

• allow_inf_nan: Accepts +Inf, -Inf, and NaN when explicitly enabled

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🧪 Test Coverage

• ✅ Full unit tests for all new validation rules
• Edge case handling for:
  • Negative numbers
  • Floats with trailing/leading zeroes
  • Empty/nil fields
  • Boundary limits

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📚 Documentation

• Updated README with:
  • Full tag matrix
  • Code examples
  • Tag semantics and type compatibility

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