Clean Architecture Toolkit for .NET
Clean Architecture Toolkit is a clean, modular architecture foundation for .NET applications. It embraces SOLID principles and focuses on maintainability, testability, and scalability through clear boundaries and pluggable design.
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Code Reference

» Cat.Validators.Abstractions Assembly

Cat.Validators.Abstractions Namespace

Defines the contracts for validation: validators, the builders you describe rules with, the rules themselves, and the processor that runs them and returns an ICatResponse.

Interfaces
ICatValidator<TModel>	Describes the rules for one model type. Implement it once per model. The module finds and registers it for you.
ICatValidatorBuilder<TModel>	Collects the rules of a validator. You get one in Build(ICatValidatorBuilder<TModel>).
ICatValidatorError	One validation failure.
ICatValidatorModelRule<TModel>	A rule that checks a model and returns the failures it finds.
ICatValidatorModelRuleBuilder<TModel>	Adds rules that look at the whole model.
ICatValidatorProcessor	Single entry point for validating a model. It finds the validator for the model, runs its rules and returns the outcome as a response.
ICatValidatorPropertyRule<TModel,TProperty>	A rule that checks one property of a model.
ICatValidatorPropertyRuleBuilder<TModel,TProperty>	Adds rules for one property. The built-in rules are extension methods on this interface.
ICatValidatorPropertyRuleOptionsBuilder<TModel,TProperty>	Sets options on the rule you just added, like a condition, a field name or a message.