Validates that a value is a boolean (true or false).

Optional Options

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

Examples

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

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

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