Cookbook

Use these pages as templates. Each recipe is designed to be copied into your project and adapted.

• Sign-up Form: validate multiple fields with friendly output.
• Nested Structs: namespaces for nested models.
• Slices & Indexed Errors: validate lists with InRow / InCell.
• Optional Fields (Pointers): nil-aware rules.
• Conditional Rules: gate rules based on current validity or conditions.
• Custom Messages: override templates per rule.
• Localization: swap locales or override entries.
• Reusable Validations: compose with Merge and helper functions.