Validator = Callable[[Any], bool]
Type System & Annotations

Meaning

A type alias for a callable that takes any value and returns a boolean, typically used to represent validation functions.

Primary Function

Defines a reusable type annotation for validator callables.

Communicative Purpose

Provides a concise, reusable type hint for functions that validate arbitrary input data.

Função primária

Defines a reusable type annotation for validator callables.

Propósito comunicativo

Provides a concise, reusable type hint for functions that validate arbitrary input data.

Situações de gatilho

When defining a function that validates input data, or when specifying a callback that returns a boolean verdict.

Contextos

Used in type annotations for callbacks, validators, predicates, and higher-order functions that accept a predicate.

Família do chunk

  • type annotations
  • callable types
  • validator patterns

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