Validates that a value is a number (integer or float).

Optional Options

• :message - Custom error message callback (value -> String.t())

Examples

iex> Funx.Validator.Number.validate(42)
%Funx.Monad.Either.Right{right: 42}

iex> Funx.Validator.Number.validate(3.14)
%Funx.Monad.Either.Right{right: 3.14}

iex> Funx.Validator.Number.validate("42")
%Funx.Monad.Either.Left{left: %Funx.Errors.ValidationError{errors: ["must be a number"]}}